JPS52118191A - Multi-signal transmitter - Google Patents

Multi-signal transmitter

Info

Publication number
JPS52118191A
JPS52118191A JP3363776A JP3363776A JPS52118191A JP S52118191 A JPS52118191 A JP S52118191A JP 3363776 A JP3363776 A JP 3363776A JP 3363776 A JP3363776 A JP 3363776A JP S52118191 A JPS52118191 A JP S52118191A
Authority
JP
Japan
Prior art keywords
signal transmitter
control signal
discriminating
operate
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3363776A
Other languages
Japanese (ja)
Inventor
Fumio Tomizawa
Masayoshi Kameyama
Toshio Kimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3363776A priority Critical patent/JPS52118191A/en
Publication of JPS52118191A publication Critical patent/JPS52118191A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/12—Electric signal transmission systems in which the signal transmitted is frequency or phase of ac
    • G08C19/14—Electric signal transmission systems in which the signal transmitted is frequency or phase of ac using combination of fixed frequencies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE:To operate a controlled apparatus, by forming a control signal by the combination of plural kinds of frequency, and by discriminating the control signal by a filter.
JP3363776A 1976-03-29 1976-03-29 Multi-signal transmitter Pending JPS52118191A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3363776A JPS52118191A (en) 1976-03-29 1976-03-29 Multi-signal transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3363776A JPS52118191A (en) 1976-03-29 1976-03-29 Multi-signal transmitter

Publications (1)

Publication Number Publication Date
JPS52118191A true JPS52118191A (en) 1977-10-04

Family

ID=12391956

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3363776A Pending JPS52118191A (en) 1976-03-29 1976-03-29 Multi-signal transmitter

Country Status (1)

Country Link
JP (1) JPS52118191A (en)

Similar Documents

Publication Publication Date Title
SE7504428L (en) SHORT-PROGRAMMED FREQUENCY CONTROL UNIT FOR A TRANSMITTER / RECEIVER.
JPS53117302A (en) Omnibus transmission system
JPS52118191A (en) Multi-signal transmitter
JPS51146157A (en) Frequency step-multiplication circuit
JPS538005A (en) Frequency mixer
JPS5232483A (en) Signal receiving device
JPS536A (en) Different program signal transmission system
JPS5274788A (en) Transmitter of remote operating device
JPS5323257A (en) Phase difference detection circuit
JPS53129513A (en) Frequency control circuit of digital-system receiver
SU673849A2 (en) Rate-of-flow transmitter
JPS5329062A (en) Control circuit of counter
JPS528285A (en) Receiver of remote control device
JPS5216107A (en) Signal judging circuit
JPS5286754A (en) Hgih application equalizer
JPS5243435A (en) Control system for copying machine
JPS51141980A (en) Time division multiple control system
JPS524980A (en) Control signal watching apparatus
JPS5274787A (en) Remote operating device
JPS52109847A (en) Digital filter
JPS5317010A (en) Signal generating device of microwave-plane-wave circuit
JPS52104001A (en) Secret communication system
JPS5379306A (en) Dp sugnal transmission system
JPS5272105A (en) Stereo-modulator
JPS52122450A (en) Peaking system