Impulse clock system

A clock system including:

• a plurality of analog secondary clocks each including motor means to advance the respective clock;
• and
• control means operative to
• maintain real time,
• generate real time pulses for transmittal to the motor means of the secondary clocks to advance the secondary clocks, and
• move the secondary clocks at any time to the real time as determined by the control means;
• the control means including means operative to move the secondary clocks at a fast speed to a known time and means operative upon reaching the known time to calculate the differential between the known time and the real time and thereafter move the clocks to the real time.

A clock system comprising:

• a plurality of analog secondary clocks each including a motor device;
• and
• control means operative to
• maintain a master time,
• transmit real time pulses to said motors to advance the secondary clocks at real time,
• transmit fast forward signals to the motors to move the secondary clocks forwardly at a fast forward speed to a predetermined registration time,
• move the secondary clocks into registry upon their arrival at the registration time, and
• transmit fast forward signals to the motors to move the in-registry secondary clocks forwardly at a fast forward speed from the registration time to the master time.

A clock system comprising:

• a master clock unit operative to maintain real time and generate real time pulses;
• a plurality of analog secondary clocks receiving the real time pulses from the master clock and operative in response to receipt of the real time pulses to move incrementally forwardly;
• and
• means operative to move the secondary clocks at any time, and irrespective of the instantaneous time differential between the secondary clocks, to the real time as determined by the master clock.

A clock system including:

• a master clock operative to keep a real master time and further operative to generate real time pulses;
• a plurality of secondary analog clocks;
• an incremental motor device associated with each secondary clock, arranged to receive the real time pulses from the master clock, and operative in response to receipt of the real time pulses to incrementally advance the respective secondary clock at real time speed;
• means operative in response to a signal from the master clock to move each secondary clock at a fast speed to a known time;
• means operative upon the arrival of the secondary clocks at the known time to calculate the disparity between the real time as determined by the master clock and the known time;
• and
• means operative to thereafter move each secondary clock at a fast speed to the real time based on the calculated disparity between the real time and the known time.

A clock system including:

• a plurality of analog secondary clocks each including motor means to advance the respective clock;
• and
• control means operative to
• maintain real time,
• generate real time pulses for transmittal to the motor means of the secondary clocks to advance the secondary clocks, and
• move the secondary clocks at any time to the real time as determined by the control means;
• the control means including a master clock operative to maintain real time, generate real time pulses, and generate encoded digital signals representing the real time as maintained by the master clock and a processing circuit at each secondary clock operative in response to receipt of an encoded digital signal from the master clock to move the respective secondary clock to the real time represented by the encoded digital signal.