Remote controller
A technology of remote control and key control device, which is applied in the field of remote control, and can solve the problems of reduced remote control signal and poor operability of remote control, and achieve the effect of reducing power consumption
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[0028] A remote controller according to an embodiment of the present invention will be described below with reference to FIGS. 5-7. In FIG. 5, the same elements and components as those in FIG. 2 are denoted by the same reference numerals.
[0029] In the embodiment shown in Fig. 5, the keying signal that produces when the suitable key on the keyboard of user operation keying device 1 such as power key, number key and volume control key is provided to be made up of single-chip microcomputer The switching signal generating circuit 10. The switching signal generating circuit 10 generates a switching signal by modulating a carrier pulse having a frequency of, for example, 40 kHz in response to a remote control key signal in a predetermined manner.
[0030] In the illustrated embodiment, the key control device 1 includes a power consumption mode switching key for switching between the normal power consumption mode and the low power consumption mode, although not shown in the figur...
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