Elevator communication arrangement
AssigneeKone Corporation
InventorsAri Kattainen, Antti Hovi
Life of this patent
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Abstract
Conventionally, elevator communications have been implemented using travelling cables. This is particularly the case when safety related data transmitted from an elevator car has to fulfil real-time restrictions often set by regulators so that the receiving of the information may not be delayed. Typically, this cannot be guaranteed when wireless transmission technologies are used. The reliability can be increased by using a second to supplement the wireless transmission.
Claims16
A method for transmitting safety related information from an elevator car comprising the steps of:
- receiving, at a communication module, safety related information from at least one device producing safety related information;
- transmitting said received information as a first signal by a first wireless transmitter;
- producing a second signal based on said received information;
- and
- transmitting said second signal by a second wireless transmitter,
- wherein the step of transmitting said second signal is performed using transmission over a wireless energy channel by the second wireless transmitter.
A method for transmitting safety related information from an elevator car comprising the steps of:
- receiving at a communication module, safety related information from at least one device producing safety related information;
- transmitting said received information as a first signal by a first wireless transmitter;
- producing a second signal based on said received information;
- and
- transmitting said second signal by a second wireless transmitter,
- wherein the method further comprises the step of producing said second signal by reducing information from said first signal.
A method for transmitting safety related information from an elevator car comprising the steps of:
- receiving, at a communication module, safety related information from at least one device producing safety related information;
- transmitting said received information as a first signal by a first wireless transmitter;
- producing a second signal based on said received information;
- and
- transmitting said second signal by a second wireless transmitter only after an interruption of the first signal has been detected.
An apparatus comprising:
- at least one data communication interface configured to receive an incoming signal comprising safety related information;
- at least one processor configured to execute computer programs;
- at least one memory configured to store said computer programs and data;
- a first wireless data transmitter configured to transmit a first signal, wherein said first signal is in accordance with said received incoming signal;
- and
- a second wireless data transmitter configured to transmit a second signal, wherein said second signal is based on said received incoming signal,
- wherein said second wireless data transmitter is a transmitter using a wireless energy charging channel.
Dependencies are inferred from the claim text.