CH227464A - Method for the transmission of messages which are disguised with the aid of control signals. - Google Patents

Method for the transmission of messages which are disguised with the aid of control signals.

Info

Publication number
CH227464A
CH227464A CH227464DA CH227464A CH 227464 A CH227464 A CH 227464A CH 227464D A CH227464D A CH 227464DA CH 227464 A CH227464 A CH 227464A
Authority
CH
Switzerland
Prior art keywords
disguised
messages
aid
transmission
control signals
Prior art date
Application number
Other languages
German (de)
Inventor
Patentverwertungs-Elektro-Hold
Original Assignee
Patelhold Patentverwertung
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 Patelhold Patentverwertung filed Critical Patelhold Patentverwertung
Publication of CH227464A publication Critical patent/CH227464A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)
CH227464D 1942-01-29 1942-01-29 Method for the transmission of messages which are disguised with the aid of control signals. CH227464A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2405500X 1942-01-29

Publications (1)

Publication Number Publication Date
CH227464A true CH227464A (en) 1943-06-15

Family

ID=4569051

Family Applications (1)

Application Number Title Priority Date Filing Date
CH227464D CH227464A (en) 1942-01-29 1942-01-29 Method for the transmission of messages which are disguised with the aid of control signals.

Country Status (4)

Country Link
US (1) US2405500A (en)
CH (1) CH227464A (en)
DE (1) DE846562C (en)
FR (1) FR891775A (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT454079A (en) * 1948-07-02
US4184117A (en) * 1956-04-16 1980-01-15 The United States Of America As Represented By The Secretary Of The Army Communication security method and system
DE1090280B (en) * 1957-08-23 1960-10-06 Funkwerk Dresden Veb Procedure for radio or wire connections to establish a certain operating mode between two or more participants with equal rights
NL244086A (en) * 1958-12-10
DE2318247C3 (en) * 1973-04-11 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Device for the disguised transmission of speech signals
CH580893A5 (en) * 1973-07-02 1976-10-15 Gretag Ag
US4221931A (en) * 1977-10-17 1980-09-09 Harris Corporation Time division multiplied speech scrambler
US4228321A (en) * 1978-05-16 1980-10-14 Bell Telephone Laboratories, Incorporated Privacy transmission system with remote key control
US6175312B1 (en) 1990-05-29 2001-01-16 Microchip Technology Incorporated Encoder and decoder microchips and remote control devices for secure unidirectional communication
US7492905B2 (en) 1995-05-17 2009-02-17 The Chamberlain Group, Inc. Rolling code security system
BR9606663A (en) 1995-05-17 1997-09-16 Chamberlain Group Inc Transmitter to send an encrypted signal to control a receiver actuator to receive an encrypted signal from a transmitter and to generate an actuation signal and receiver to receive an encrypted radio frequency signal from a transmitter and to generate an actuation signal
US6980655B2 (en) 2000-01-21 2005-12-27 The Chamberlain Group, Inc. Rolling code security system
US6690796B1 (en) 1995-05-17 2004-02-10 The Chamberlain Group, Inc. Rolling code security system
DE19520232C1 (en) * 1995-06-01 1996-08-14 Siemens Ag Method for encrypting sequences consisting of number-coded information units
US7058817B1 (en) 1999-07-02 2006-06-06 The Chase Manhattan Bank System and method for single sign on process for websites with multiple applications and services
US8849716B1 (en) 2001-04-20 2014-09-30 Jpmorgan Chase Bank, N.A. System and method for preventing identity theft or misuse by restricting access
WO2002099598A2 (en) 2001-06-07 2002-12-12 First Usa Bank, N.A. System and method for rapid updating of credit information
US7266839B2 (en) 2001-07-12 2007-09-04 J P Morgan Chase Bank System and method for providing discriminated content to network users
US7987501B2 (en) 2001-12-04 2011-07-26 Jpmorgan Chase Bank, N.A. System and method for single session sign-on
US20180165441A1 (en) 2002-03-25 2018-06-14 Glenn Cobourn Everhart Systems and methods for multifactor authentication
US8301493B2 (en) 2002-11-05 2012-10-30 Jpmorgan Chase Bank, N.A. System and method for providing incentives to consumers to share information
US12149618B2 (en) 2005-01-27 2024-11-19 The Chamberlain Group Llc Method and apparatus to facilitate transmission of an encrypted rolling code
US8422667B2 (en) 2005-01-27 2013-04-16 The Chamberlain Group, Inc. Method and apparatus to facilitate transmission of an encrypted rolling code
US9148409B2 (en) 2005-06-30 2015-09-29 The Chamberlain Group, Inc. Method and apparatus to facilitate message transmission and reception using different transmission characteristics
US8428259B2 (en) 2005-06-09 2013-04-23 General Dynamics Advanced Information Systems Apparatus and method for all-optical encryption and decryption of an optical signal
US8582767B1 (en) 2010-09-27 2013-11-12 Charles C. Hardy Cryptographic device sharing among a plurality of communication links
US10652743B2 (en) 2017-12-21 2020-05-12 The Chamberlain Group, Inc. Security system for a moveable barrier operator
US11074773B1 (en) 2018-06-27 2021-07-27 The Chamberlain Group, Inc. Network-based control of movable barrier operators for autonomous vehicles
CA3107457A1 (en) 2018-08-01 2020-02-06 The Chamberlain Group, Inc. Movable barrier operator and transmitter pairing over a network
US10997810B2 (en) 2019-05-16 2021-05-04 The Chamberlain Group, Inc. In-vehicle transmitter training

Also Published As

Publication number Publication date
US2405500A (en) 1946-08-06
DE846562C (en) 1952-08-14
FR891775A (en) 1944-03-28

Similar Documents

Publication Publication Date Title
CH227464A (en) Method for the transmission of messages which are disguised with the aid of control signals.
CH302327A (en) Method for the transmission of stereophonic signals.
CH270410A (en) Method for multichannel message transmission with pulse modulation.
CH268699A (en) Equalizing amplifier for telegraph signals.
DK66625C (en) Fully or semi-automatic Remote Signaling System.
CH248560A (en) Method of joining surfaces.
CH235396A (en) Carrier frequency system.
CH243489A (en) Method for the transmission of signals with the aid of frequency-modulated carrier waves.
CH236665A (en) Electroacoustic transmission system for noisy playback locations.
CH238942A (en) Pest control methods.
GR10077B (en) CLAY METHOD.
CH245235A (en) Method for the transmission of signals by means of modulated high-frequency oscillations.
FR887875A (en) Inter-band telegraphic transmission system
CH245844A (en) Process for the transmission of telegraphic characters in carrier current telegraph systems.
CA405409A (en) Telegraph receiving perforator
CA408430A (en) Telegraph transmitter
CA409060A (en) Telegraph transmitter
CA404570A (en) Telegraph transmitter
CA408287A (en) Telegraph transmitter
CA407879A (en) Telegraph transmitter
CA403406A (en) Telegraph system
CA406594A (en) Telegraph system
CA403407A (en) Telegraph system
CA403405A (en) Telegraph system
CH256364A (en) Method for the transmission of tactile characters by means of frequency-modulated carrier waves