DE2409375C2 - Funksendeempfangsgerät - Google Patents

Funksendeempfangsgerät

Info

Publication number
DE2409375C2
DE2409375C2 DE2409375A DE2409375A DE2409375C2 DE 2409375 C2 DE2409375 C2 DE 2409375C2 DE 2409375 A DE2409375 A DE 2409375A DE 2409375 A DE2409375 A DE 2409375A DE 2409375 C2 DE2409375 C2 DE 2409375C2
Authority
DE
Germany
Prior art keywords
channel
station
channels
free
call
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
DE2409375A
Other languages
German (de)
English (en)
Other versions
DE2409375B1 (de
Inventor
Heinz 7530 Pforzheim Winkelmann
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.)
Alcatel Lucent Deutschland AG
Original Assignee
Standard Elektrik Lorenz 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 Standard Elektrik Lorenz AG filed Critical Standard Elektrik Lorenz AG
Priority to DE2409375A priority Critical patent/DE2409375C2/de
Publication of DE2409375B1 publication Critical patent/DE2409375B1/de
Priority to NLAANVRAGE7501814,A priority patent/NL184932C/xx
Priority to GB680275A priority patent/GB1473608A/en
Priority to SE7502069A priority patent/SE393013B/xx
Priority to CH243375A priority patent/CH581926A5/xx
Priority to TR18843A priority patent/TR18843A/xx
Priority to NO750644A priority patent/NO139762C/no
Priority to FR7506103A priority patent/FR2262468B1/fr
Application granted granted Critical
Publication of DE2409375C2 publication Critical patent/DE2409375C2/de
Priority to US05/670,285 priority patent/US4069454A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Transceivers (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
DE2409375A 1974-02-27 1974-02-27 Funksendeempfangsgerät Expired DE2409375C2 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE2409375A DE2409375C2 (de) 1974-02-27 1974-02-27 Funksendeempfangsgerät
NLAANVRAGE7501814,A NL184932C (nl) 1974-02-27 1975-02-17 Radiozendontvangtoestel.
GB680275A GB1473608A (en) 1974-02-27 1975-02-18 Transmitter-receiver
SE7502069A SE393013B (sv) 1974-02-27 1975-02-25 Sendare/mottagare
CH243375A CH581926A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-02-27 1975-02-26
TR18843A TR18843A (tr) 1974-02-27 1975-02-26 Verici-alici
NO750644A NO139762C (no) 1974-02-27 1975-02-26 Sender-mottakerutstyr.
FR7506103A FR2262468B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-02-27 1975-02-27
US05/670,285 US4069454A (en) 1974-02-27 1976-03-25 Transmitter-receiver employing automatic channel hunting and selection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2409375A DE2409375C2 (de) 1974-02-27 1974-02-27 Funksendeempfangsgerät

Publications (2)

Publication Number Publication Date
DE2409375B1 DE2409375B1 (de) 1975-01-09
DE2409375C2 true DE2409375C2 (de) 1975-08-21

Family

ID=5908603

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2409375A Expired DE2409375C2 (de) 1974-02-27 1974-02-27 Funksendeempfangsgerät

Country Status (9)

Country Link
US (1) US4069454A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH581926A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2409375C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2262468B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1473608A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL184932C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO139762C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE393013B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TR (1) TR18843A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140975A (en) * 1977-04-27 1979-02-20 Texas Instruments Incorporated Highly selective programmable filter module
US4430755A (en) 1981-05-14 1984-02-07 Motorola, Inc. Portable radio telephone
US4392248A (en) * 1981-10-05 1983-07-05 Time And Frequency Technology, Inc. Attention signal receiver for emergency broadcast systems
JP2531254B2 (ja) * 1989-01-18 1996-09-04 日本電気株式会社 分散無線システムの回線接続方法
DE4117241C2 (de) * 1991-05-27 1995-08-03 Loewe Opta Gmbh Abstimmeinheit für Geräte der Nachrichtentechnik
DE4328912C2 (de) * 1993-08-27 1998-08-27 Siemens Ag Abgleichverfahren für einen Überlagerungsempfänger
US5995849A (en) * 1997-11-26 1999-11-30 Direct Wireless Communication Corp. Direct wireless communication system and method of operation
KR100549614B1 (ko) * 2003-11-05 2006-02-03 기륭전자 주식회사 시분할 프로토콜을 이용한 무선원격제어기 및 이를포함하는위성라디오
KR100554431B1 (ko) * 2003-11-05 2006-02-22 기륭전자 주식회사 차량 위성 디지털 오디오 라디오방송 수신기용 어댑터 및그러한 어댑터를 구비한 차량용 오디오 시스템

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1462279A (fr) * 1965-09-21 1966-04-15 Cit Alcatel Liaisons radio à fréquences porteuses aléatoires
US3443228A (en) * 1965-11-22 1969-05-06 Gen Atronics Corp Optimum frequency communication system with different test frequencies in different test intervals
NL6617461A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1966-12-13 1968-06-14

Also Published As

Publication number Publication date
NL184932B (nl) 1989-07-03
US4069454A (en) 1978-01-17
NO139762C (no) 1979-05-02
TR18843A (tr) 1977-11-01
SE7502069L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-08-28
FR2262468B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-10-23
NL184932C (nl) 1989-12-01
NO139762B (no) 1979-01-22
FR2262468A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-09-19
CH581926A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-11-15
SE393013B (sv) 1977-04-25
GB1473608A (en) 1977-05-18
NO750644L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-08-28
NL7501814A (nl) 1975-08-29
DE2409375B1 (de) 1975-01-09

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8320 Willingness to grant licences declared (paragraph 23)