Programmable channel selecting apparatus

Details Programmable channel selecting apparatus Programmable channel selecting apparatus

1982-03-11

1984-03-06

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455186, 455231, 358337, 369 7, 369 19, H04N 576, H04B 116

Patent

active

044358423

ABSTRACT:
A programmable channel selecting apparatus to be disclosed is comprised of a manually operated switch for selecting desired channels and for inputting preset times for desired channel reception, a channel selecting circuit for driving a tuner and a channel indicator in manual/auto channel selecting mode, a channel preselecting circuit which, in channel preselection mode, memorizes a desired channel and a desired time for the channel reception in advance while at the same time causes a channel indicator to indicate the preselected channel and in auto-channel selection mode, applies a preselected channel signal to the channel selecting circuit when time reaches the preset time, those being all connected a common signal line, and an inhibiting circuit for preventing an erroneous operation. With such a construction, inputting and displaying of a selected channel and a preset or preselected channel can be made through one system of a channel preselection switch and a channel display. The programmable channel selecting apparatus is well adapted for home-use VTRs.

REFERENCES:
patent: 4193120 (1980-03-01), Yello
User's Manual for "MN 1400 Series 4-Bit One-Chip Microcomputers", Matsushita Electronics Corporation, 2/77.

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