IT1036221B - PLANT FOR CALLING PEOPLE - Google Patents

PLANT FOR CALLING PEOPLE

Info

Publication number
IT1036221B
IT1036221B IT68812/75A IT6881275A IT1036221B IT 1036221 B IT1036221 B IT 1036221B IT 68812/75 A IT68812/75 A IT 68812/75A IT 6881275 A IT6881275 A IT 6881275A IT 1036221 B IT1036221 B IT 1036221B
Authority
IT
Italy
Prior art keywords
plant
calling people
calling
people
Prior art date
Application number
IT68812/75A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1036221B publication Critical patent/IT1036221B/en

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)
IT68812/75A 1974-07-11 1975-07-11 PLANT FOR CALLING PEOPLE IT1036221B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1036221B true IT1036221B (en) 1979-10-30

Family

ID=4352615

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68812/75A IT1036221B (en) 1974-07-11 1975-07-11 PLANT FOR CALLING PEOPLE

Country Status (10)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2738278C2 (en) * 1977-08-25 1982-06-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Radio system with wireless transmission between portable transceiver devices and with selective calls between the participants with the interposition of a control center
DE3016809A1 (en) * 1980-05-02 1982-01-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Radio signalling system for mobile subscribers - has fixed stations, each with direction finder with rotary directional diagram
JPS5815348A (en) * 1981-07-22 1983-01-28 Yagi Antenna Co Ltd Optical data transmission device in space
JPS60142100U (en) * 1984-02-24 1985-09-20 株式会社　日立工機原町 meat cutting machine
JPS6346572A (en) * 1986-08-13 1988-02-27 Toshiba Corp search device
JPS63198395U (en) * 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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE756213A (en) * 1969-09-17 1971-03-01 Licentia Gmbh PROCEDURE FOR THE TRANSMISSION OF A DIGITAL AND PROTECTED SELECTIVE CALL INSTRUCTION WITH RETURN RESPONSE, AND DEVICE FOR IMPLEMENTING THE PROCEDURE
DE1966370C3 (en) * 1969-09-17 1979-12-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Arrangement for receiving and transmitting binary coded information
NL7110022A (en) * 1971-07-21 1973-01-23

Also Published As

Publication number Publication date
SE418654B (en) 1981-06-15
CH573688A5 (en) 1976-03-15
GB1500169A (en) 1978-02-08
DE2450289C3 (en) 1986-01-09
BE831258A (en) 1975-11-03
SE7507757L (en) 1976-01-12
FR2278216B1 (en) 1982-01-29
DE2450289B2 (en) 1979-10-18
FR2278216A1 (en) 1976-02-06
JPS5132203A (en) 1976-03-18
NL7508313A (en) 1976-01-13
DE2450289A1 (en) 1976-01-22
ES439186A1 (en) 1977-03-01

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