BE428656A - - Google Patents

Info

Publication number
BE428656A
BE428656A BE428656DA BE428656A BE 428656 A BE428656 A BE 428656A BE 428656D A BE428656D A BE 428656DA BE 428656 A BE428656 A BE 428656A
Authority
BE
Belgium
Application number
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.)
Publication of BE428656A publication Critical patent/BE428656A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B7/00—Generation of oscillations using active element having a negative resistance between two of its electrodes
    • H03B7/02—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance
    • H03B7/10—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance active element being gas-discharge or arc-discharge tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
    • H03K3/55—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a gas-filled tube having a control electrode
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Transmitters (AREA)
  • Burglar Alarm Systems (AREA)
  • Noise Elimination (AREA)
BE428656D 1937-06-18 BE428656A (US07816562-20101019-C00012.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR941493X 1937-06-18

Publications (1)

Publication Number Publication Date
BE428656A true BE428656A (US07816562-20101019-C00012.png)

Family

ID=9469708

Family Applications (1)

Application Number Title Priority Date Filing Date
BE428656D BE428656A (US07816562-20101019-C00012.png) 1937-06-18

Country Status (7)

Country Link
US (1) US2266401A (US07816562-20101019-C00012.png)
BE (1) BE428656A (US07816562-20101019-C00012.png)
CH (1) CH234677A (US07816562-20101019-C00012.png)
DE (1) DE941493C (US07816562-20101019-C00012.png)
FR (2) FR833929A (US07816562-20101019-C00012.png)
GB (1) GB511222A (US07816562-20101019-C00012.png)
NL (1) NL88393C (US07816562-20101019-C00012.png)

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GB583511A (en) * 1941-09-26 1946-12-20 Standard Telephones Cables Ltd Improvements in or relating to arrangements for producing electric time modulated impulses
GB582324A (en) * 1941-11-24 1946-11-13 Standard Telephones Cables Ltd Improvements in or relating to time-modulated pulse communication systems
DE912711C (de) * 1941-12-13 1954-06-03 Philips Nv System zum UEbertragen von Telephoniesignalen mittels durch Impulse von gleichbleibender Dauer modulierter Traegerwellenschwingungen
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US2542700A (en) * 1942-02-20 1951-02-20 Rca Corp Pulse modulation system
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US2442770A (en) * 1943-04-20 1948-06-08 Sperry Corp Pulse generator
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BE480693A (US07816562-20101019-C00012.png) * 1943-05-24
US2419570A (en) * 1943-05-24 1947-04-29 Standard Telephones Cables Ltd Receiver circuit
US2590306A (en) * 1943-05-29 1952-03-25 Rca Corp Combined television and sound system
US2492161A (en) * 1943-06-01 1949-12-27 Int Standard Electric Corp Means for generating time modulated electrical pulses
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BE456799A (US07816562-20101019-C00012.png) * 1943-06-21
BE456800A (US07816562-20101019-C00012.png) * 1943-06-24
US2419568A (en) * 1943-07-16 1947-04-29 Standard Telephones Cables Ltd Transmission system
US2478919A (en) * 1943-07-17 1949-08-16 Rca Corp Pulse type multiplex communication system
US2478920A (en) * 1943-08-04 1949-08-16 Rca Corp Pulse system
US2857591A (en) * 1943-09-04 1958-10-21 Westinghouse Electric Corp Radio locators
US2434916A (en) * 1943-09-08 1948-01-27 Standard Telephones Cables Ltd Trigger operated carrier telegraph transmitter
US2425314A (en) * 1943-09-16 1947-08-12 Rca Corp Pulse communication system
GB604438A (en) * 1943-09-16 1948-07-05 Marconi Wireless Telegraph Co Pulse communication system
US2476997A (en) * 1943-10-13 1949-07-26 Robert H Noyes Pulse modulating system
BE473180A (US07816562-20101019-C00012.png) * 1943-10-26
US2444426A (en) * 1943-10-26 1948-07-06 Standard Telephones Cables Ltd Repeater control system
US2514677A (en) * 1943-10-27 1950-07-11 Bell Telephone Labor Inc Radio distance measuring system with alarm device
US2444445A (en) * 1943-11-10 1948-07-06 Sperry Corp Radio navigation system
US2468058A (en) * 1943-11-23 1949-04-26 Standard Telephones Cables Ltd Blocking system for multichannel operation
US2482549A (en) * 1943-12-03 1949-09-20 Robert T Killman Method of and apparatus for receiving radio signals
US2647994A (en) * 1943-12-04 1953-08-04 Us Navy Automatic frequency control in pulse transmission systems
US2428913A (en) * 1943-12-10 1947-10-14 Rca Corp Count selector
US2487522A (en) * 1943-12-23 1949-11-08 Candeland Harold Electrical signaling system
US2456818A (en) * 1943-12-27 1948-12-21 Ibm Electronic trigger circuit with pulse output attenuating means
US2444741A (en) * 1943-12-31 1948-07-06 Hazeltine Research Inc Wave-signal translating system
US2432204A (en) * 1944-01-05 1947-12-09 Rca Corp Pulse modulation system
US2458633A (en) * 1944-01-05 1949-01-11 Rca Corp Pulse system
US2468083A (en) * 1944-01-08 1949-04-26 Standard Telephones Cables Ltd Radio locating and communicating system
US2468084A (en) * 1944-01-08 1949-04-26 Standard Telephones Cables Ltd Radio communicating system
US2444479A (en) * 1944-01-08 1948-07-06 Rca Corp Frequency-modulated pulse generator
US2430139A (en) * 1944-01-08 1947-11-04 Rca Corp Pulse number modulation system
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US2425315A (en) * 1944-02-17 1947-08-12 Rca Corp Pulse communication system
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US2459798A (en) * 1944-03-03 1949-01-25 Standard Telephones Cables Ltd Signal translator blocking circuit
DE963789C (de) * 1944-03-20 1957-05-16 Patelhold Patentverwertung Verfahren und Einrichtung zur Impulszeitmodulation
US2474244A (en) * 1944-05-19 1949-06-28 Standard Telephones Cables Ltd Amplitude modulated time modulated pulse system
US2428118A (en) * 1944-04-07 1947-09-30 Standard Telephones Cables Ltd Pulse multiplex system
US2511863A (en) * 1944-04-15 1950-06-20 Error signal control system
US2438950A (en) * 1944-04-18 1948-04-06 Jr Carl Harrison Smith Pulse frequency modulation
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US2614210A (en) * 1944-05-18 1952-10-14 Rca Corp Pulsed radio signaling
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US2533285A (en) * 1944-07-06 1950-12-12 Sager Irving Line pulse modulator
US2534261A (en) * 1944-07-06 1950-12-19 John E Gorham Line pulse modulator
US2429616A (en) * 1944-07-29 1947-10-28 Standard Telephones Cables Ltd Pulse width multichannel system
BE474952A (US07816562-20101019-C00012.png) * 1944-07-29
US2423466A (en) * 1944-08-01 1947-07-08 Bell Telephone Labor Inc Time division multiplex
US2443922A (en) * 1944-08-02 1948-06-22 Philco Corp Control circuit for relaxation oscillators
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BE480311A (US07816562-20101019-C00012.png) * 1944-08-18
US2462874A (en) * 1944-08-19 1949-03-01 Standard Telephones Cables Ltd Multichannel electrical pulse communication system
US2535061A (en) * 1944-08-19 1950-12-26 Standard Telephones Cables Ltd Electrical pulse width shaper and selector
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Also Published As

Publication number Publication date
US2266401A (en) 1941-12-16
DE941493C (de) 1956-04-12
FR49159E (fr) 1938-11-28
FR833929A (fr) 1938-11-04
CH234677A (de) 1944-10-15
NL88393C (US07816562-20101019-C00012.png)
GB511222A (en) 1939-08-15

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