FR2199149B1 - - Google Patents

Info

Publication number
FR2199149B1
FR2199149B1 FR7231853A FR7231853A FR2199149B1 FR 2199149 B1 FR2199149 B1 FR 2199149B1 FR 7231853 A FR7231853 A FR 7231853A FR 7231853 A FR7231853 A FR 7231853A FR 2199149 B1 FR2199149 B1 FR 2199149B1
Authority
FR
France
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
FR7231853A
Other languages
French (fr)
Other versions
FR2199149A1 (enrdf_load_stackoverflow
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.)
ROMANI ETIENNET E
Original Assignee
ROMANI ETIENNET E
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 ROMANI ETIENNET E filed Critical ROMANI ETIENNET E
Priority to FR7231853A priority Critical patent/FR2199149B1/fr
Priority to GB3295373A priority patent/GB1412806A/en
Priority to DE19732341304 priority patent/DE2341304A1/de
Priority to IT6967273A priority patent/IT996665B/it
Publication of FR2199149A1 publication Critical patent/FR2199149A1/fr
Priority to US05/616,643 priority patent/US4075659A/en
Application granted granted Critical
Publication of FR2199149B1 publication Critical patent/FR2199149B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/106—Adaptations for transmission by electrical cable for domestic distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/025—Door telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
    • H04N7/186—Video door telephones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
FR7231853A 1972-09-08 1972-09-08 Expired FR2199149B1 (enrdf_load_stackoverflow)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7231853A FR2199149B1 (enrdf_load_stackoverflow) 1972-09-08 1972-09-08
GB3295373A GB1412806A (en) 1972-09-08 1973-07-11 Electronic door announcer
DE19732341304 DE2341304A1 (de) 1972-09-08 1973-08-16 Elektronischer tueroeffner
IT6967273A IT996665B (it) 1972-09-08 1973-09-07 Perfezionamenti ai portieri elettro nici per edifici
US05/616,643 US4075659A (en) 1972-09-08 1975-09-25 Electronic door announcer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7231853A FR2199149B1 (enrdf_load_stackoverflow) 1972-09-08 1972-09-08

Publications (2)

Publication Number Publication Date
FR2199149A1 FR2199149A1 (enrdf_load_stackoverflow) 1974-04-05
FR2199149B1 true FR2199149B1 (enrdf_load_stackoverflow) 1976-05-21

Family

ID=9104010

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7231853A Expired FR2199149B1 (enrdf_load_stackoverflow) 1972-09-08 1972-09-08

Country Status (4)

Country Link
DE (1) DE2341304A1 (enrdf_load_stackoverflow)
FR (1) FR2199149B1 (enrdf_load_stackoverflow)
GB (1) GB1412806A (enrdf_load_stackoverflow)
IT (1) IT996665B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593339A1 (fr) * 1986-01-23 1987-07-24 Darbonne Herve Installation pour la commande a distance par ondes hertziennes d'une porte d'immeuble
FR2610434A1 (fr) * 1987-01-29 1988-08-05 Mirica Gheorghe Portail electronique dissimulateur
FR2612671A1 (fr) * 1987-03-18 1988-09-23 Lorenzelli Marcel Systeme video portier phonique utilisant un seul cable coaxial pour la transmission des informations, et un recepteur de television standard sans modification, et une telecommande sans fil
GB9201996D0 (en) * 1992-01-30 1992-03-18 Millicom Satellite Tv Services Communication systems
DE19529039C2 (de) * 1995-08-08 1999-06-10 Juergen Blask Haustür-Sicherheits- und Öffnungssystem im Türschild

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3423521A (en) * 1966-01-24 1969-01-21 Gordon A Friesen Associates In Television system having common transmission line for power,video signals,and command signals

Also Published As

Publication number Publication date
GB1412806A (en) 1975-11-05
FR2199149A1 (enrdf_load_stackoverflow) 1974-04-05
DE2341304A1 (de) 1974-03-21
IT996665B (it) 1975-12-10

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Legal Events

Date Code Title Description
ST Notification of lapse