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FR666646A - Installation téléphonique - Google Patents

Installation téléphonique

Info

Publication number
FR666646A
FR666646A FR666646DA FR666646A FR 666646 A FR666646 A FR 666646A FR 666646D A FR666646D A FR 666646DA FR 666646 A FR666646 A FR 666646A
Authority
FR
France
Prior art keywords
telephone installation
telephone
installation
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
Other languages
English (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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
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 Associated Telephone and Telegraph Co filed Critical Associated Telephone and Telegraph Co
Application granted granted Critical
Publication of FR666646A publication Critical patent/FR666646A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
    • F02M2700/43—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel
    • F02M2700/4397—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel whereby air or fuel are admitted in the mixture conduit by means other than vacuum or an acceleration pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Selective Calling Equipment (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Fuel-Injection Apparatus (AREA)
FR666646D 1927-07-02 1928-02-14 Installation téléphonique Expired FR666646A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US203059A US1688588A (en) 1927-07-02 1927-07-02 Automatic telephone system

Publications (1)

Publication Number Publication Date
FR666646A true FR666646A (fr) 1929-10-03

Family

ID=22752310

Family Applications (1)

Application Number Title Priority Date Filing Date
FR666646D Expired FR666646A (fr) 1927-07-02 1928-02-14 Installation téléphonique

Country Status (3)

Country Link
US (2) US1688388A (fr)
FR (1) FR666646A (fr)
GB (1) GB293294A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485351A (en) * 1944-11-20 1949-10-18 Kellogg Switchboard & Supply Automatic telephone system
US2552773A (en) * 1947-06-24 1951-05-15 Automatic Elect Lab Level marking for telephone line finders
US8884532B2 (en) 2012-05-25 2014-11-11 Ripley Lighting Controls, LLC Photo control for a luminaire

Also Published As

Publication number Publication date
US1688388A (en) 1928-10-23
US1688588A (en) 1928-10-23
GB293294A (en) 1929-05-27

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