Abstract: A signal processing device includes: a superposing circuit for generating a superposed signal obtained by superposing a data signal indicative of prescribed information on an operation signal relating to an operation element of an electric apparatus; an information storage part for storing the prescribed information; a signal transmission terminal for inputting/outputting the operation signal or the superposed signal to/from the electric apparatus or apparatus control devices; and an information transmission terminal for inputting/outputting information to/from an information transfer device which executes reading of information stored in the information storage part and/or writing of information in the information storage part. The signal processing device is connected to an external device via a connector member. Each of the terminals is provided in an area that is inside the connector member in a state where the signal processing device is connected to the external device via the connector member.

Abstract: The present invention enables an apparatus or the like, which does not respond to a communication using a superposed signal, to be used in a system using the superposed signal.

Abstract: A signal processing device includes: a superposing circuit for generating a superposed signal obtained by superposing a data signal indicative of prescribed information on an operation signal relating to an operation element of an electric apparatus; an information storage part for storing the prescribed information; a signal transmission terminal for inputting/outputting the operation signal or the superposed signal to/from the electric apparatus or apparatus control devices; and an information transmission terminal for inputting/outputting information to/from an information transfer device which executes reading of information stored in the information storage part and/or writing of information in the information storage part. The signal processing device is connected to an external device via a connector member. Each of the terminals is provided in an area that is inside the connector member in a state where the signal processing device is connected to the external device via the connector member.

Abstract: The present invention enables an apparatus or the like, which does not respond to a communication using a superposed signal, to be used in a system using the superposed signal.

Abstract: A master module (52A) mediates communication between an electric apparatus (6) to which a signal processing device (100) is connected and apparatus control devices (3, 4B) that control the electric apparatus.

Abstract: Provided is a signal processing device, for example, which is capable of transmitting to a communication device a superimposed signal in which predetermined information is superimposed on an operation signal of electrical equipment. The signal processing device (100) is provided with: a superimposed signal transmission unit (155) which transmits, to an external communication device (an information rewrite device 200, an input unit 4), a superimposed signal in which a data signal indicating predetermined information is superimposed on an operation signal corresponding to the state of an operation element; an information storage unit (140) for storing the predetermined information; and an information rewrite unit (153) which, on the basis of an external instruction input, rewrites the information stored in the information storage unit.

Abstract: Provided is an electric apparatus, which has excellent convenience and operates by switching an operation mode according to the type of a communication device of a connection destination. The electric apparatus includes: a superimposition signal transmission portion which transmits, to a communication device, a superimposition signal obtained by superimposing a data signal on an operation signal; an operation mode switching portion which switches between a normal operation mode in which transmission of the superimposition signal is performed and a low current consumption mode in which transmission of the superimposition signal is not performed; and a current detection portion which detects a current value supplied from the communication device, wherein the operation mode switching portion switches the low current consumption mode to the normal operation mode when the current detection portion detects a current equal to or greater than a predetermined threshold value in the low current consumption mode.

Abstract: An electric device capable of suppressing an influence of variation of a consumed current on a superimposed signal is provided. An electric device which transmits a superimposed signal obtained by superimposing a data signal on the operation signal according to a state of an operating element to the outside, includes a current consuming part configured to consume a current, and a current control part configured to control current consumption in a circuit including the current consuming part such that current variation of the superimposed signal following variation of the consumed current in the current consuming part is suppressed.

Abstract: An electrical device configured to transmit or receive a signal related to an operation element and transmit a data signal using a small number of wirings is realized. An electrical device includes a first terminal and a second terminal to which a pair of signal lines are connected, an operation element connected between the first terminal and the second terminal, and a transmission circuit configured to operate using a voltage between the first terminal and the second terminal as a power source. The second terminal transmits an output signal according to a state of the operation element to the outside, and the transmission circuit superimposes a data signal on the output signal and transmits the data signal from the second terminal to the outside.

Abstract: An electric device capable of suppressing an influence of variation of a consumed current on a superimposed signal is provided. An electric device which transmits a superimposed signal obtained by superimposing a data signal on the operation signal according to a state of an operating element to the outside, includes a current consuming part configured to consume a current, and a current control part configured to control current consumption in a circuit including the current consuming part such that current variation of the superimposed signal following variation of the consumed current in the current consuming part is suppressed.

Abstract: An electrical device configured to transmit or receive a signal related to an operation element and transmit a data signal using a small number of wirings is realized. An electrical device includes a first terminal and a second terminal to which a pair of signal lines are connected, an operation element connected between the first terminal and the second terminal, and a transmission circuit configured to operate using a voltage between the first terminal and the second terminal as a power source. The second terminal transmits an output signal according to a state of the operation element to the outside, and the transmission circuit superimposes a data signal on the output signal and transmits the data signal from the second terminal to the outside.