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US 8,150,332 B2Granted
Method and system for low-frequency communication
AssigneeValeo Securite Habitacle
InventorMichael Notarianni
Life of this patent
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Abstract
The disclosure relates to a method of communication between a control device and an operator device, including the generation of a control signal and transmission of the control signal, where the control signal is generated in the form of a symmetric signal and is then filtered by the transmission system.
Claims8
A method of communication between a control device and an operator device, comprising:
- generation and transmission of a control signal, by the control device, wherein the control signal is transmitted to the operator device, which is configured to perform at least one operation in response to receiving the control signal,
- wherein the control signal is generated in the form of a symmetric signal and is then filtered by a low frequency (LF) transmission system, wherein the control signal lacks even harmonics and harmonics that are a multiple order k, with
- k
- =
- F
- 0
- δ
- ,
- wherein F0 represents the resonant frequency of the antenna within the transmission system, and wherein δ is the duty cycle of the control signal.
6 more elements
A system of communication from a control device to an operator device, comprising:
- the control device configured to generate and transmit said control signal;
- the operator device configured to receive said control signal and perform at least one operation in response to receiving the control signal,
- wherein the control device is configured to generate a symmetric control signal;
- and
- a low frequency (LF) transmission system configured to filter said generated control signal,
- wherein the control signal lacks even harmonics and harmonics that are a multiple order k, with
- k
- =
- F
- 0
- δ
- ,
- wherein F0 represents the resonant frequency of the antenna within the transmission system, and wherein δ is the duty cycle of the control signal.
10 more elements
Dependencies are inferred from the claim text.