FR2199149A1 - - Google Patents

Info

Publication number
FR2199149A1
FR2199149A1 FR7231853A FR7231853A FR2199149A1 FR 2199149 A1 FR2199149 A1 FR 2199149A1 FR 7231853 A FR7231853 A FR 7231853A FR 7231853 A FR7231853 A FR 7231853A FR 2199149 A1 FR2199149 A1 FR 2199149A1
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.)
Granted
Application number
FR7231853A
Other languages
French (fr)
Other versions
FR2199149B1 (en
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/en
Priority to IT6967273A priority patent/IT996665B/en
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
FR7231853A 1972-09-08 1972-09-08 Expired FR2199149B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7231853A FR2199149B1 (en) 1972-09-08 1972-09-08
GB3295373A GB1412806A (en) 1972-09-08 1973-07-11 Electronic door announcer
DE19732341304 DE2341304A1 (en) 1972-09-08 1973-08-16 ELECTRONIC DOOR OPENER
IT6967273A IT996665B (en) 1972-09-08 1973-09-07 IMPROVEMENTS FOR ELECTRONIC DOORS FOR BUILDINGS
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 (en) 1972-09-08 1972-09-08

Publications (2)

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

Family

ID=9104010

Family Applications (1)

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

Country Status (4)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593339A1 (en) * 1986-01-23 1987-07-24 Darbonne Herve Installation for remotely controlling the door of an apartment building by radio waves
FR2610434A1 (en) * 1987-01-29 1988-08-05 Mirica Gheorghe Concealing electronic doorway
FR2612671A1 (en) * 1987-03-18 1988-09-23 Lorenzelli Marcel Door phone video system using a single coaxial cable for transmitting information, a standard, unmodified television receiver, and wireless remote control

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9201996D0 (en) * 1992-01-30 1992-03-18 Millicom Satellite Tv Services Communication systems
DE19529039C2 (en) * 1995-08-08 1999-06-10 Juergen Blask Front door security and opening system in the door plate

Citations (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

Patent Citations (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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
REVUE JAPONAISE "JAPAN ELECTRONIC ENGINEERING", NO 48, NOVEMBRE 1970, PAGES 32 A 39. ARTICLE "MULTIVISION, A MULTI-PURPOSE TELEVISION SYSTEM" *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593339A1 (en) * 1986-01-23 1987-07-24 Darbonne Herve Installation for remotely controlling the door of an apartment building by radio waves
FR2610434A1 (en) * 1987-01-29 1988-08-05 Mirica Gheorghe Concealing electronic doorway
FR2612671A1 (en) * 1987-03-18 1988-09-23 Lorenzelli Marcel Door phone video system using a single coaxial cable for transmitting information, a standard, unmodified television receiver, and wireless remote control

Also Published As

Publication number Publication date
GB1412806A (en) 1975-11-05
FR2199149B1 (en) 1976-05-21
IT996665B (en) 1975-12-10
DE2341304A1 (en) 1974-03-21

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Legal Events

Date Code Title Description
ST Notification of lapse