GB303839A - Improvements in or relating to automatic signalling devices - Google Patents

Improvements in or relating to automatic signalling devices

Info

Publication number
GB303839A
GB303839A GB960/29A GB96029A GB303839A GB 303839 A GB303839 A GB 303839A GB 960/29 A GB960/29 A GB 960/29A GB 96029 A GB96029 A GB 96029A GB 303839 A GB303839 A GB 303839A
Authority
GB
United Kingdom
Prior art keywords
ship
sos
drum
code
discs
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
GB960/29A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB303839A publication Critical patent/GB303839A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • H04L15/04—Apparatus or circuits at the transmitting end
    • H04L15/22—Apparatus or circuits for sending one or a restricted number of signals, e.g. distress signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Position Or Direction (AREA)
  • Relay Circuits (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
GB960/29A 1928-01-10 1929-01-10 Improvements in or relating to automatic signalling devices Expired GB303839A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR660951T 1928-01-10
FR35675T 1928-05-19

Publications (1)

Publication Number Publication Date
GB303839A true GB303839A (en) 1929-06-06

Family

ID=26182665

Family Applications (2)

Application Number Title Priority Date Filing Date
GB960/29A Expired GB303839A (en) 1928-01-10 1929-01-10 Improvements in or relating to automatic signalling devices
GB15557/29A Expired GB312090A (en) 1928-01-10 1929-05-17 Improvements in or relating to automatic signalling devices

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB15557/29A Expired GB312090A (en) 1928-01-10 1929-05-17 Improvements in or relating to automatic signalling devices

Country Status (5)

Country Link
US (1) US1972289A (enrdf_load_stackoverflow)
BE (2) BE356937A (enrdf_load_stackoverflow)
DE (1) DE489657C (enrdf_load_stackoverflow)
FR (2) FR660951A (enrdf_load_stackoverflow)
GB (2) GB303839A (enrdf_load_stackoverflow)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215999A (en) * 1965-11-02 Memory control device
USRE23990E (en) * 1946-05-17 1955-05-03 locke
US2466099A (en) * 1947-01-08 1949-04-05 Hansen Carlos Apparatus for transmission of radiotelegraphic signals relating to sea or river levels at the site of installation
US2487778A (en) * 1948-01-29 1949-11-15 Atlas David Automatic altimeter setting indicator and transmitter
BE489569A (enrdf_load_stackoverflow) * 1948-06-14 Kaelin Pierre
CH272955A (fr) * 1948-06-14 1951-01-15 Kaelin Pierre Poste téléphonique.
US2588397A (en) * 1948-06-29 1952-03-11 Bell Telephone Labor Inc Spaced-pulse impulse sender
US2587635A (en) * 1948-06-29 1952-03-04 Bell Telephone Labor Inc Spaced-pulse impulse sender
US2499606A (en) * 1948-07-16 1950-03-07 Bell Telephone Labor Inc Preset type telephone dialer with pulse generating transformers
US2584997A (en) * 1949-03-02 1952-02-12 Syrl K Ferguson Message timing device
US2575342A (en) * 1949-06-02 1951-11-20 Darrin H Gridley Position sensing device
US2590885A (en) * 1949-12-08 1952-04-01 Bell Telephone Labor Inc Spaced-pulse impulse sender
US2620390A (en) * 1950-07-03 1952-12-02 Charles E Sunderland Automatic emergency keyer unit
US2768238A (en) * 1952-03-17 1956-10-23 Ben W Risinger Automatic signaling device
US2716155A (en) * 1952-06-20 1955-08-23 Nat Res Dev Teleprinting apparatus
US2746680A (en) * 1952-07-01 1956-05-22 Maul Michael Record controlled machine with cross connecting board
NL87439C (enrdf_load_stackoverflow) * 1952-09-10
US2739298A (en) * 1953-01-07 1956-03-20 Bell Telephone Labor Inc Multifrequency high speed calling signal generator
US2866185A (en) * 1953-02-25 1958-12-23 Stanley S Brody Universal navigation station identification keyer
US2826752A (en) * 1953-11-19 1958-03-11 Eagle Signal Corp Systems permitting response by only selected units of those connected to a single channel
US2903686A (en) * 1955-12-27 1959-09-08 Zenith Radio Corp Encoding apparatus
US2890432A (en) * 1956-09-26 1959-06-09 Robotron Corp Apparatus and method for producing and using a variable conductive pattern
US3152323A (en) * 1959-08-18 1964-10-06 Edward L E Pardee Plural interval timing device having a conductor matrix for selection of the time intervals
DE1228656B (de) * 1964-12-21 1966-11-17 Befa Bau Elektro Feinmech App Tastgeraet zum selbsttaetigen Erzeugen des Alarm- und Notzeichens fuer Seeschiffe
US3418431A (en) * 1965-05-28 1968-12-24 Bell Telephone Labor Inc Code transmitter
US3492650A (en) * 1965-07-06 1970-01-27 Tore Gottfrid Hesselgren Matrix for producing electric pulses
US3836729A (en) * 1972-07-03 1974-09-17 Kososki H Automatic telephone signalling apparatus

Also Published As

Publication number Publication date
US1972289A (en) 1934-09-04
FR660951A (fr) 1929-07-19
DE489657C (de) 1930-01-22
BE356937A (enrdf_load_stackoverflow)
FR35675E (fr) 1930-03-27
GB312090A (en) 1930-01-23
BE360486A (enrdf_load_stackoverflow)

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