Annunciator system with mobile receivers

A method for annunciating information to mobile receivers comprising the steps of:

• a. generating a plurality of data packet signals (16,20,22) containing compressed data voice messages;
• b. generating a code with each of said data packet signals (16,20,22);
• c. transmitting said coded data packet signals (16,20,22) in a burst data stream (10) from a transmitter (42a);
• d. receiving and decompressing the burst data stream (10);
• e. separating said coded data packet signals (16,20,22);
• and
• f. selectively annunciating messages of a predetermined code.

An apparatus for annunciating information to mobile receivers comprising:

• a transmitter means (42a) for generating a burst data stream signal (10);
• an antenna means (56) connected to said transmitter means (42a) for transmitting a relatively short range, highly directional beam signal (44) in response to said burst data stream signal (10);
• a transmitter control means (60) connected to said transmitter means (42a);
• and
• a transmitter memory means (68) connected to said transmitter control means (60) for storing a plurality of compressed data voice messages whereby said transmitter control means selectively reads at least one of said messages from said transmitter memory means and generates said one message as a data packet signal (16,20,22) in said burst data stream signal (10), said data packet signal to be received and decompressed by a mobile receiver (54) entering said beam signal (44) for annunciating said one message;
• and
• wherein said messages are coded as to priority and said transmitter control means (60) generates a higher priority one of said messages as one data packet signal (16) before generating a lower priority one of said messages as another data packet signal (20,22).

An apparatus for annunciating traffic information comprising:

• a stationary transmitter means (42a) for generating a burst data stream signal (10) at an output,
• a transmitter antenna means (56) connected to said output of said transmitter means (42a) for generating a relatively short range, highly directional beam signal (454) in response to said burst data stream signal(10);
• a transmitter control means (60) connected to said transmitter means (42a);
• a transmitter memory means (68) connected to said transmitter control means (60) for storing a plurality of compressed data voice messages, at least one of said messages representing traffic information whereby said transmitter control means reads said one message from said transmitter memory means and generates said one message as a data packet signal (16, 20,22) in said burst data stream signal (10);
• a receiver antenna means (58) for receiving said beam signal (44);
• a mobile receiver means (54a) having an input connected to said receiver antenna means (58) for separating said burst data stream signal (10) from said beam signal (44);
• a receiver control means (70) connected to said mobile receiver means (54a) for reading said data packet signal (16,20,22) from said mobile receiver means;
• a data decompression means (72) connected to said receiver control means (70 for receiving and decompressing said data packet signal (16,20,22);
• and
• an audio playback device (78) connected to said receiver control means (70) for audibly reproducing said one message from said decompressed data packet signal (16,20,22), and
• wherein said messages are coded as to priority and said transmitter control means (60) generates a higher priority of one of said messages as one data packet signal (16) before generating a lower priority of one of said messages as another data packet signal (20,22) and said receiver control means (70) sends said higher priority message associated with said one data packet signal (16) to said audio playback means (78) before sending said lower priority message associated with said another data packet signal (20,22) to said audio playback means.

An apparatus for annunciating traffic information comprising:

• a stationary transmitter means (42a) for generating a burst data stream signal (10) at an output:
• a transmitter antenna means (56) connected to said output of said transmitter means (42a) for generating a relatively short range, highly directional beam signal (454) in response to said burst data stream signal(10);
• a transmitter control means (60) connected to said transmitter means (42a);
• a transmitter memory means (68) connected to said transmitter control means (60 for storing a plurality of compressed data voice messages, at least one of said messages representing traffic information whereby said transmitter control means reads said one message from said transmitter memory means and generates said one message as a data packet signal (16, 20,22) in said burst data stream signal (10);
• a receiver antenna means (58) for receiving said beam signal (44);
• a mobile receiver means (54a) having an input connected to said receiver antenna means (58) for separating said burst data stream signal (10) from said beam signal (44);
• a receiver control means (70) connected to said mobile receiver means (54a) for reading said data packet signal (16,20,22) from said mobile receiver means;
• a data decompression means (72) connected to said receiver control means (70) for receiving and decompressing said data packet signal (16,20,22);
• and
• an audio playback device (78) connected to said receiver control means (70) for audibly reproducing said one message from said decompressed data packet signal (16,20,22);
• and
• a traffic signal means (36) connected to said transmitter control means (60) for generating a traffic signal state signal and wherein said transmitter control means responds to said traffic signal state signal to generate a status flag signal (14,28) in said burst data stream signal (10) and said receiver control means (70) responds to said status flag signal by generating a traffic signal state indication from an output means (80) connected to said receiver control means.

A system for annunciating information to mobile receivers comprising:

• a plurality of spaced apart stationary transmitters (42,46) generating relatively short range, highly directional beam signals (44,48) respectively;
• at least one said stationary transmitter (42) including a transmitter means (42a) for transmitting a burst data stream signal (10), a transmitter antenna means (56) connected to said transmitter means (42a) for transmitting said beam signal (44) in response to said burst data stream signal (10), a transmitter control means (60) connected to said transmitter means (42a) and a transmitter memory means (68) connected to said transmitter control means (60) for storing a plurality of compressed data voice messages whereby said transmitter control means selectively reads said messages from said transmitter memory means and generates said messages as data packet signals (16,20,22) in a predetermined sequence in said burst data stream signal (10);
• a traffic signal means (36) connected to said transmitter control means (60) for generating traffic signal state signals and wherein said transmitter control means responds to said traffic signal state signals to generate status flag signals (14,28) in said burst data stream signal (10);
• a plurality of mobile receivers (50,52,54) for receiving said beam signals (44,48);
• and
• at least one said mobile receiver (54) including a receiver antenna means (58) for receiving said beam signal (44), a mobile receiver means (54a) connected to said receiver antenna means (58) for separating said burst data stream signal (10) from said beam signal (44), a receiver control means (70) connected to said mobile receiver means (54a) for reading said data packet signals (16,20,22) from said mobile receiver means, a data decompression means (72) connected to said receiver control means (70) for decompressing said data packet signals (16,20,22), a receiver memory means (74) connected to said data decompression circuit (72) and to said receiver control means (70) for storing said messages in decompressed form and an audio playback device (78) connected to said receiver control means (70) for audibly reproducing said messages.

A method for annunciating information to mobile receivers comprising the steps of:

• a. storing a plurality of compressed data voice messages in a transmitter memory means (68);
• b. generating a burst data stream signal (10) from a transmitter means (42a);
• c. selectively reading one of the stored messages from the transmitter memory means (68) and venerating the one message as a data packet signal (16,20,22) in the burst data stream signal (10);
• d. transmitting a relatively short range, highly directional beam signal (44) from an antenna means (56) in response to the burst data stream signal (10);
• e. receiving and decompressing the data packet signal (16,20,22) with a mobile receiver (54) entering the beam signal (44) for annunciating the one message;
• and
• f. generating status flag signals (14,28) in the burst data stream signal (10), the status flag signals representing important information.

A method for annunciating information to mobile receivers comprising the steps of:

• a. storing a plurality of compressed data voice messages in a transmitter memory means (68);
• b. generating a burst data stream signal (10) from a transmitter means (42a);
• c. selectively reading one of the stored messages from the transmitter memory means (68) and generating the one message as a data packet signal (16,20,22) in the burst data stream signal (10);
• d. transmitting a relatively short range, highly directional beam signal (44) from an antenna means (56) in response to the burst data stream signal (10);
• e. receiving and decompressing the data packet signal (16,20,22) with a mobile receiver (54) entering the beam signal (44) for annunciating the one message;
• and
• f. coding the data packet signals (16,20,22) according to a predetermined priority.

An apparatus for annunciating information to mobile receivers comprising:

• a transmitter means (42a) for generating a burst data stream signal (10);
• an antenna means (56) connected to said transmitter means (42a) for transmitting a relatively short range, highly directional beam signal (44) in response to said burst data stream signal (10);
• a transmitter control means (60) connected to said transmitter means (42a) and
• a transmitter memory means (68) connected to said transmitter control means (60) for storing a plurality of compressed data voice messages whereby said transmitter control means selectively reads at least one of said messages from said transmitter memory means and generates said one message as a data packet signal (16,20,22) in said burst data stream signal (10), said data packet signal to be received and decompressed by a mobile receiver (54) entering said beam signal (44) for annunciating said one message;
• and
• wherein said transmitter means (42a) generates said burst data stream signal (10) as a serial string of predetermined length information windows (12,18,24,30) and said data packet signal (16,20,22) is positioned in a selected one of said windows.

An apparatus for annunciating information to mobile receivers comprising:

• a transmitter means (42a) for generating a burst data stream signal (10);
• an antenna means (56) connected to said transmitter means (42a) for transmitting a relatively short range, highly directional beam signal (44) in response to said burst data stream signal (10);
• a transmitter control means (60) connected to said transmitter means (42a);
• and
• a transmitter memory means (68) connected to said transmitter control means (60) for storing a plurality of compressed data voice messages whereby said transmitter control means selectively reads at least one of said messages from said transmitter memory means and generates said one message as a data packet signal (16,20,22) in said burst data stream signal (10), said data packet signal to be received and decompressed by a mobile receiver (54) entering said beam signal (44) for annunciating said one message;
• and
• a traffic signal means (36) connected to said transmitter control means (60) for generating a traffic signal state signal and wherein said transmitter control means responds to said traffic signal state signal to generate a status flag signal (14,28) in said burst data stream signal (10).