FR630173A - Connection devices for telephone systems with automatic connection, operating with high and low frequencies - Google Patents

Connection devices for telephone systems with automatic connection, operating with high and low frequencies

Info

Publication number
FR630173A
FR630173A FR630173DA FR630173A FR 630173 A FR630173 A FR 630173A FR 630173D A FR630173D A FR 630173DA FR 630173 A FR630173 A FR 630173A
Authority
FR
France
Prior art keywords
connection
operating
low frequencies
telephone systems
automatic
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
French (fr)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR630173A publication Critical patent/FR630173A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/32—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of open-width materials backwards and forwards between beaming rollers during treatment; Jiggers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Textile Engineering (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Mobile Radio Communication Systems (AREA)
FR630173D 1926-03-06 1927-03-04 Connection devices for telephone systems with automatic connection, operating with high and low frequencies Expired FR630173A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET31561A DE608472C (en) 1926-03-06 1926-03-06 Transitional circuit between a group of intercom stations that operate at high frequencies and another group of intercom stations, in particular those that operate at low frequencies

Publications (1)

Publication Number Publication Date
FR630173A true FR630173A (en) 1927-11-24

Family

ID=89899393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR630173D Expired FR630173A (en) 1926-03-06 1927-03-04 Connection devices for telephone systems with automatic connection, operating with high and low frequencies

Country Status (3)

Country Link
DE (1) DE608472C (en)
FR (1) FR630173A (en)
GB (1) GB267151A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474685A (en) * 1945-04-12 1949-06-28 Stewart Warner Corp Jet propulsion apparatus
US2564378A (en) * 1946-05-06 1951-08-14 Punch Engineering Pty Ltd Carrier system signaling circuits
DE878517C (en) * 1949-04-24 1953-06-05 Siemens Ag Procedure for the transmission of calls and elections
FR1032605A (en) * 1949-11-21

Also Published As

Publication number Publication date
DE608472C (en) 1935-01-24
GB267151A (en) 1928-09-07

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