GB1290227A - - Google Patents

Info

Publication number
GB1290227A
GB1290227A GB1290227DA GB1290227A GB 1290227 A GB1290227 A GB 1290227A GB 1290227D A GB1290227D A GB 1290227DA GB 1290227 A GB1290227 A GB 1290227A
Authority
GB
United Kingdom
Prior art keywords
digit wheel
resonators
read
resonator
wheel
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.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1290227A publication Critical patent/GB1290227A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/08—Calling by using continuous AC
    • 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)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB1290227D 1969-03-03 1970-03-03 Expired GB1290227A (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44015499A JPS5034421B1 (cg-RX-API-DMAC7.html) 1969-03-03 1969-03-03

Publications (1)

Publication Number Publication Date
GB1290227A true GB1290227A (cg-RX-API-DMAC7.html) 1972-09-20

Family

ID=11890487

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1290227D Expired GB1290227A (cg-RX-API-DMAC7.html) 1969-03-03 1970-03-03

Country Status (6)

Country Link
US (1) US3654605A (cg-RX-API-DMAC7.html)
JP (1) JPS5034421B1 (cg-RX-API-DMAC7.html)
BE (1) BE746774A (cg-RX-API-DMAC7.html)
CH (1) CH522344A (cg-RX-API-DMAC7.html)
FR (1) FR2037153A1 (cg-RX-API-DMAC7.html)
GB (1) GB1290227A (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1390913A (en) * 1971-05-24 1975-04-16 Microwave & Electronic Syst Monitoring systems
US4038637A (en) * 1975-11-24 1977-07-26 Peters Sherman M Access control system
WO1979000293A1 (fr) * 1977-11-14 1979-05-31 Osaka Gas Co Ltd Appareil de conversion et d'indication de mesures
US4614945A (en) * 1985-02-20 1986-09-30 Diversified Energies, Inc. Automatic/remote RF instrument reading method and apparatus
US6480510B1 (en) * 1998-07-28 2002-11-12 Serconet Ltd. Local area network of serial intelligent cells
US6842459B1 (en) 2000-04-19 2005-01-11 Serconet Ltd. Network combining wired and non-wired segments
IL154921A (en) 2003-03-13 2011-02-28 Mosaid Technologies Inc A telephone system that includes many separate sources and accessories for it

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2910579A (en) * 1958-07-10 1959-10-27 Clarence S Jones Signalling system
US3036295A (en) * 1960-03-17 1962-05-22 Gen Precision Inc Signalling system
US3266018A (en) * 1962-10-04 1966-08-09 American Telephone & Telegraph Telemetering system for reading remotely loacted utility meters
GB1152257A (en) * 1966-11-30 1969-05-14 Gen Electric & English Elect Improvements in or relating to Electric Signalling Systems

Also Published As

Publication number Publication date
CH522344A (de) 1972-06-15
FR2037153A1 (cg-RX-API-DMAC7.html) 1970-12-31
DE2009900A1 (cg-RX-API-DMAC7.html) 1970-10-22
US3654605A (en) 1972-04-04
DE2009900B2 (de) 1977-02-03
JPS5034421B1 (cg-RX-API-DMAC7.html) 1975-11-08
BE746774A (fr) 1970-08-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee