IT1238304B - Apparecchio telefonico elettronico protetto contro i disturbi a radiofrequenza - Google Patents
Apparecchio telefonico elettronico protetto contro i disturbi a radiofrequenzaInfo
- Publication number
- IT1238304B IT1238304B IT02254989A IT2254989A IT1238304B IT 1238304 B IT1238304 B IT 1238304B IT 02254989 A IT02254989 A IT 02254989A IT 2254989 A IT2254989 A IT 2254989A IT 1238304 B IT1238304 B IT 1238304B
- Authority
- IT
- Italy
- Prior art keywords
- protected against
- telephone device
- electronic telephone
- device protected
- radiofrequency interference
- Prior art date
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
Priority Applications (4)
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 |
EP19900203083 EP0430353A3 (en) | 1989-11-30 | 1990-11-22 | Electronic telephone set protected against radiofrequency disturbances |
ZA909605A ZA909605B (en) | 1989-11-30 | 1990-11-29 | Electronic telephone set protected against radiofrequency disturbances |
NO90905170A NO905170L (no) | 1989-11-30 | 1990-11-29 | Telefonsett beskyttet mot radiofrekvens-forstyrrelser. |
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 (3)
Publication Number | Publication Date |
---|---|
IT8922549A0 IT8922549A0 (it) | 1989-11-30 |
IT8922549A1 IT8922549A1 (it) | 1991-05-30 |
IT1238304B true IT1238304B (it) | 1993-07-12 |
Family
ID=11197720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT02254989A IT1238304B (it) | 1989-11-30 | 1989-11-30 | Apparecchio telefonico elettronico protetto contro i disturbi a radiofrequenza |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0430353A3 (it) |
IT (1) | IT1238304B (it) |
NO (1) | NO905170L (it) |
ZA (1) | ZA909605B (it) |
Family Cites Families (11)
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 (it) * | 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 (it) * | 1987-04-22 | 1987-08-13 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
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 |
-
1989
- 1989-11-30 IT IT02254989A patent/IT1238304B/it active IP Right Grant
-
1990
- 1990-11-22 EP EP19900203083 patent/EP0430353A3/en not_active Withdrawn
- 1990-11-29 ZA ZA909605A patent/ZA909605B/xx unknown
- 1990-11-29 NO NO90905170A patent/NO905170L/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO905170D0 (no) | 1990-11-29 |
IT8922549A1 (it) | 1991-05-30 |
IT8922549A0 (it) | 1989-11-30 |
ZA909605B (en) | 1991-10-30 |
NO905170L (no) | 1991-05-31 |
EP0430353A2 (en) | 1991-06-05 |
EP0430353A3 (en) | 1992-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19951110 |