ZA909605B - Electronic telephone set protected against radiofrequency disturbances - Google Patents

Electronic telephone set protected against radiofrequency disturbances

Info

Publication number
ZA909605B
ZA909605B ZA909605A ZA909605A ZA909605B ZA 909605 B ZA909605 B ZA 909605B ZA 909605 A ZA909605 A ZA 909605A ZA 909605 A ZA909605 A ZA 909605A ZA 909605 B ZA909605 B ZA 909605B
Authority
ZA
South Africa
Prior art keywords
telephone set
protected against
electronic telephone
set protected
disturbances
Prior art date
Application number
ZA909605A
Other languages
English (en)
Inventor
Mario Covini
Covini Mario
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of ZA909605B publication Critical patent/ZA909605B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Set Structure (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Telephone Function (AREA)
ZA909605A 1989-11-30 1990-11-29 Electronic telephone set protected against radiofrequency disturbances ZA909605B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02254989A IT1238304B (it) 1989-11-30 1989-11-30 Apparecchio telefonico elettronico protetto contro i disturbi a radiofrequenza

Publications (1)

Publication Number Publication Date
ZA909605B true ZA909605B (en) 1991-10-30

Family

ID=11197720

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA909605A ZA909605B (en) 1989-11-30 1990-11-29 Electronic telephone set protected against radiofrequency disturbances

Country Status (4)

Country Link
EP (1) EP0430353A3 (no)
IT (1) IT1238304B (no)
NO (1) NO905170L (no)
ZA (1) ZA909605B (no)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267528A (en) * 1979-05-11 1981-05-12 Rca Corporation Radio frequency interference suppression apparatus
JPS5943659A (ja) * 1982-09-04 1984-03-10 Nippon Telegr & Teleph Corp <Ntt> 電話機への電波混入防止方法
JPS60250699A (ja) * 1984-05-25 1985-12-11 富士通株式会社 高周波モジュ−ルの接続構造
JPS61292450A (ja) * 1985-06-19 1986-12-23 Naomitsu Konomura 携帯電話
US4717990A (en) * 1986-05-30 1988-01-05 Motorola, Inc. Double-shielded housing for RF circuitry
EP0262576A3 (de) * 1986-09-26 1990-08-22 Siemens Aktiengesellschaft Funksendeempfänger der elektrischen Nachrichtentechnik
JPS6380896U (no) * 1986-11-17 1988-05-27
US4717989A (en) * 1987-03-30 1988-01-05 Motorola Inc. Heat sink, EMI shield and controller module assembly for a portable radio transceiver
DE8705863U1 (de) * 1987-04-22 1987-08-13 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur partiellen Schirmung von elektrischen Schaltungen
DE3717009A1 (de) * 1987-05-21 1988-12-15 Philips Patentverwaltung Funkgeraet fuer eine mobilfunkanlage
JPH01157135A (ja) * 1987-12-14 1989-06-20 Nippon Telegr & Teleph Corp <Ntt> 回路への電波障害防止方法

Also Published As

Publication number Publication date
IT8922549A1 (it) 1991-05-30
NO905170L (no) 1991-05-31
EP0430353A3 (en) 1992-09-23
NO905170D0 (no) 1990-11-29
IT8922549A0 (it) 1989-11-30
EP0430353A2 (en) 1991-06-05
IT1238304B (it) 1993-07-12

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