SE7507757L - Personsokaranleggning. - Google Patents

Personsokaranleggning.

Info

Publication number
SE7507757L
SE7507757L SE7507757A SE7507757A SE7507757L SE 7507757 L SE7507757 L SE 7507757L SE 7507757 A SE7507757 A SE 7507757A SE 7507757 A SE7507757 A SE 7507757A SE 7507757 L SE7507757 L SE 7507757L
Authority
SE
Sweden
Prior art keywords
signal
address
call
receiver
transmitter
Prior art date
Application number
SE7507757A
Other languages
English (en)
Other versions
SE418654B (sv
Inventor
H Zahnd
Original Assignee
Hasler Ag
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 Hasler Ag filed Critical Hasler Ag
Publication of SE7507757L publication Critical patent/SE7507757L/sv
Publication of SE418654B publication Critical patent/SE418654B/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/77Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
SE7507757A 1974-07-11 1975-07-07 Anleggning for selektivt mottagaranrop medelst berfrekventa telegram SE418654B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH949774A CH573688A5 (sv) 1974-07-11 1974-07-11

Publications (2)

Publication Number Publication Date
SE7507757L true SE7507757L (sv) 1976-01-12
SE418654B SE418654B (sv) 1981-06-15

Family

ID=4352615

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7507757A SE418654B (sv) 1974-07-11 1975-07-07 Anleggning for selektivt mottagaranrop medelst berfrekventa telegram

Country Status (10)

Country Link
JP (1) JPS5132203A (sv)
BE (1) BE831258A (sv)
CH (1) CH573688A5 (sv)
DE (1) DE2450289C3 (sv)
ES (1) ES439186A1 (sv)
FR (1) FR2278216A1 (sv)
GB (1) GB1500169A (sv)
IT (1) IT1036221B (sv)
NL (1) NL7508313A (sv)
SE (1) SE418654B (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2738278C2 (de) * 1977-08-25 1982-06-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Funkanlage mit drahtloser Übertragung zwischen tragbaren Sende-Empfangs-Geräten und mit selektivem Anruf der Teilnehmer untereinander unter Zwischenschaltung einer Zentrale
DE3016809A1 (de) * 1980-05-02 1982-01-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Funkmeldesystem
JPS5815348A (ja) * 1981-07-22 1983-01-28 Yagi Antenna Co Ltd 空間光デ−タ伝送装置
JPS60142100U (ja) * 1984-02-24 1985-09-20 株式会社 日立工機原町 肉切機
JPS6346572A (ja) * 1986-08-13 1988-02-27 Toshiba Corp 検索装置
JPS63198395U (sv) * 1987-06-10 1988-12-21
AU607022B2 (en) * 1987-12-01 1991-02-21 Ascom Tateco Ab Paging system with paging receivers controlled depending on location
WO2013081559A2 (en) * 2011-11-30 2013-06-06 Abdul Barr Al Fakhouri Hani A new technique to give a huge number of information channels on mobile phone, very cheap for subscribers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166735A (en) 1958-10-06 1965-01-19 Gen Electric Code selectors for selective calling systems
BE756213A (fr) * 1969-09-17 1971-03-01 Licentia Gmbh Procede pour la transmission d'une instruction d'appel selectifdigitaleet protegee avec reponse de retour, et dispositif pour la mise en oeuvre du procede
DE1966370C3 (de) * 1969-09-17 1979-12-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zum Empfang und zur Aussendung einer binär codierten Information
NL7110022A (sv) * 1971-07-21 1973-01-23
US3851251A (en) 1971-10-25 1974-11-26 Martin Marietta Corp Receiver method and apparatus

Also Published As

Publication number Publication date
GB1500169A (en) 1978-02-08
FR2278216B1 (sv) 1982-01-29
BE831258A (fr) 1975-11-03
NL7508313A (nl) 1976-01-13
ES439186A1 (es) 1977-03-01
DE2450289A1 (de) 1976-01-22
IT1036221B (it) 1979-10-30
DE2450289B2 (de) 1979-10-18
DE2450289C3 (de) 1986-01-09
SE418654B (sv) 1981-06-15
FR2278216A1 (fr) 1976-02-06
CH573688A5 (sv) 1976-03-15
JPS5132203A (sv) 1976-03-18

Similar Documents

Publication Publication Date Title
US4523332A (en) Battery saver circuit for use with paging receiver
US3873773A (en) Forward bit count integrity detection and correction technique for asynchronous systems
GB1275446A (en) Data transmission apparatus
US3876833A (en) Receiver for synchronous data signals, including a detector for detecting transmission speed changes
US4110743A (en) Wireless paging receiver
GB1186385A (en) Improvements in or relating to Transmission Systems and Methods
SE7507757L (sv) Personsokaranleggning.
GB1469465A (en) Detection of errors in digital information transmission systems
GB1406163A (en) Time division mutliplex transmission systems
GB1285976A (en) Diversity switching for digital transmission
GB1399513A (en) Method and circuit for timing singal derivation from received data
ES391155A1 (es) Sistema de sincronizacion de cuadros.
GB1528329A (en) Framing in data bit transmission
ES414591A1 (es) Un sistema de sincronizacion de cuadro.
US4591853A (en) Paging receiver with a decoder-P-ROM
GB1293800A (en) Burst synchronization method and apparatus
US4142070A (en) False framing detector
US3458654A (en) Circuit
GB1515740A (en) Zero code suppression in data transmission systems
US3959587A (en) Device for synchronizing a receiver of numerical data
US3518556A (en) Multipulse detector for harmonically related signals
GB1521091A (en) Circuit arrangements for use in data transmission systems
US3560860A (en) Pulse generator of special signal for synchronizing receivers of master-remote system
GB993163A (en) Error detection system
GB1536337A (en) Error detection in digital systems

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7507757-8

Effective date: 19900702

Format of ref document f/p: F