GB283985A - Improvements in or relating to telegraph systems and circuit arrangements therefor - Google Patents

Improvements in or relating to telegraph systems and circuit arrangements therefor

Info

Publication number
GB283985A
GB283985A GB2329426A GB2329426A GB283985A GB 283985 A GB283985 A GB 283985A GB 2329426 A GB2329426 A GB 2329426A GB 2329426 A GB2329426 A GB 2329426A GB 283985 A GB283985 A GB 283985A
Authority
GB
United Kingdom
Prior art keywords
detected
energy
piezo
waves
diaphragm
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
GB2329426A
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
Priority to FR648254D priority Critical patent/FR648254A/fr
Application filed by Individual filed Critical Individual
Priority to GB2329426A priority patent/GB283985A/en
Priority to GB2587326A priority patent/GB283995A/en
Priority to DES83211D priority patent/DE503379C/de
Publication of GB283985A publication Critical patent/GB283985A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D5/00—Hand appliances or hand tools for making or repairing shoes, other than those covered by groups A43D15/00, A43D19/00, A43D95/00, A43D100/00, A43D117/00
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D95/00—Shoe-finishing machines
    • A43D95/06—Machines for colouring or chemical treatment; Ornamenting the sole bottoms
    • 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
    • H04L15/18—Automatic transmitters, e.g. controlled by perforated tape
    • H04L15/20—Automatic transmitters, e.g. controlled by perforated tape with optical sensing means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Paints Or Removers (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
GB2329426A 1926-09-21 1926-09-21 Improvements in or relating to telegraph systems and circuit arrangements therefor Expired GB283985A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR648254D FR648254A (enrdf_load_stackoverflow) 1926-09-21
GB2329426A GB283985A (en) 1926-09-21 1926-09-21 Improvements in or relating to telegraph systems and circuit arrangements therefor
GB2587326A GB283995A (en) 1926-09-21 1926-10-16 A method of repairing cracked patent leather shoes
DES83211D DE503379C (de) 1926-09-21 1927-12-20 Telegraphensender mit Lochstreifen, die den Durchgang der Strahlen einer Licht- oderanderen Strahlungsquelle freigeben bzw. sperren, und mit einem strahlungsempfindlichen Empfaenger zum Umsetzen der auftretenden Strahlen in weiterzugebende elektrische Impulse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2329426A GB283985A (en) 1926-09-21 1926-09-21 Improvements in or relating to telegraph systems and circuit arrangements therefor

Publications (1)

Publication Number Publication Date
GB283985A true GB283985A (en) 1928-01-23

Family

ID=10193296

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2329426A Expired GB283985A (en) 1926-09-21 1926-09-21 Improvements in or relating to telegraph systems and circuit arrangements therefor
GB2587326A Expired GB283995A (en) 1926-09-21 1926-10-16 A method of repairing cracked patent leather shoes

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2587326A Expired GB283995A (en) 1926-09-21 1926-10-16 A method of repairing cracked patent leather shoes

Country Status (2)

Country Link
FR (1) FR648254A (enrdf_load_stackoverflow)
GB (2) GB283985A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR648254A (enrdf_load_stackoverflow) 1928-12-07
GB283995A (en) 1928-01-16

Similar Documents

Publication Publication Date Title
US2206896A (en) Radiant energy distance measuring system
US2426205A (en) Pulse selecting circuit for multiplex systems
US1639667A (en) Method for radio position finding
US2660662A (en) Search signal apparatus for determining the listening habits of wave signal receiver users
GB283985A (en) Improvements in or relating to telegraph systems and circuit arrangements therefor
GB586126A (en) Improvements relating to determining distance by means of electromagnetic waves
US2505692A (en) Dual range frequency-modulated radio altimeter
US1843288A (en) Electrical system and appliance
US2229324A (en) Timing apparatus
US2587219A (en) Push-pull signaling system
US2482128A (en) Receiver protection circuit
GB574965A (en) Improvements in or relating to apparatus for determining the distance of an object by means of a reflected radio wave
US2441969A (en) Electric carrier wave system
US3173091A (en) Microwave detector apparatus
US1723440A (en) Radioreceiver
DE523880C (de) Anordnung zur Ortsbestimmung einer Schallquelle
US2846288A (en) Depth sounding devices
US1746690A (en) Control system for radioreceivers
US2122562A (en) Tuning indicator circuit
US2477547A (en) Modulation of radio-frequency oscillations
GB360891A (en) Electrical frequency control systems
US2142218A (en) Radio signaling
US1647349A (en) Radio signaling apparatus
GB349971A (en) Improvements in or relating to radio receiving systems
US2078058A (en) Radiogoniometer