GB1500169A - Wireless paging system - Google Patents

Wireless paging system

Info

Publication number
GB1500169A
GB1500169A GB28980/75A GB2898075A GB1500169A GB 1500169 A GB1500169 A GB 1500169A GB 28980/75 A GB28980/75 A GB 28980/75A GB 2898075 A GB2898075 A GB 2898075A GB 1500169 A GB1500169 A GB 1500169A
Authority
GB
United Kingdom
Prior art keywords
signal
address
call
receiver
transmitter
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
GB28980/75A
Other languages
English (en)
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.)
Hasler AG
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 GB1500169A publication Critical patent/GB1500169A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils

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)
GB28980/75A 1974-07-11 1975-07-09 Wireless paging system Expired GB1500169A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1500169A true GB1500169A (en) 1978-02-08

Family

ID=4352615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28980/75A Expired GB1500169A (en) 1974-07-11 1975-07-09 Wireless paging system

Country Status (10)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4924219A (en) * 1986-08-13 1990-05-08 Kabushiki Kaisha Toshiba Retrieval apparatus using logical operators
WO2013081559A3 (en) * 2011-11-30 2013-10-10 Abdul Barr Al Fakhouri Hani A new technique to give a huge number of information channels on mobile phone, very cheap for subscribers

Families Citing this family (6)

* 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
JPS63198395U (enrdf_load_stackoverflow) * 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (enrdf_load_stackoverflow) * 1971-07-21 1973-01-23

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4924219A (en) * 1986-08-13 1990-05-08 Kabushiki Kaisha Toshiba Retrieval apparatus using logical operators
WO2013081559A3 (en) * 2011-11-30 2013-10-10 Abdul Barr Al Fakhouri Hani A new technique to give a huge number of information channels on mobile phone, very cheap for subscribers

Also Published As

Publication number Publication date
ES439186A1 (es) 1977-03-01
DE2450289B2 (de) 1979-10-18
FR2278216A1 (fr) 1976-02-06
SE7507757L (sv) 1976-01-12
JPS5132203A (enrdf_load_stackoverflow) 1976-03-18
NL7508313A (nl) 1976-01-13
DE2450289A1 (de) 1976-01-22
BE831258A (fr) 1975-11-03
CH573688A5 (enrdf_load_stackoverflow) 1976-03-15
IT1036221B (it) 1979-10-30
DE2450289C3 (de) 1986-01-09
SE418654B (sv) 1981-06-15
FR2278216B1 (enrdf_load_stackoverflow) 1982-01-29

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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