1
Improvements in or relating to colour television receiving apparatus. Georges Valensi, August 5, 1953: GB695251-A (3 worldwide citation)

695,251. Cathode-ray tubes. VALENSI, G. July, 23, 1951 [July 25, 1950], No. 17347/51. Class 39(i) [Also in Group XL(b)] The fluorescent screen of a cathode-ray tube for a colour television receiver (see Group XL(b)) consists of a repeated series of thin vertical bands of blue, green and red fluoresc ...


2
Optical parallax corrector. Georges Valensi, October 22, 1965: GB1008025-A (3 worldwide citation)

1,008,025. Optical apparatus. G. VALENSI Jan. 25, 1963 [April 17, 1962; May 17, 1962; June 27, 1962; Sept. 20, 1962], No. 3232/63. Heading G2J. [Also in Division H4] An optical collimator comprises two blocks B 1 B 2 composed of thin parallel sheets of transparent material coated with an appropriate ...


3
Colour television transmission systems for transmission by means of at least one satellite. Georges Valensi, January 19, 1966: GB1017123-A (2 worldwide citation)

1,017,123. Pulse code modulation systems; colour television; radio signalling. G. VALENSI. Nov. 5, 1962 [Nov. 3, 1961; Nov. 29, 1961; May 28, 1962; July 13, 1962; Sept. 21, 1962], No. 41744/62. Headings H4F and H4L. Colour television is transmitted using pulse code modulation via one or more artific ...


4
An indicator of quantized levels of a variable electrical signal. Georges Valensi, October 4, 1967: GB1086281-A (2 worldwide citation)

1,086,281. Electric selective signalling. G. VALENSI. Jan. 26, 1965 [Feb. 1, 1964; Feb. 5, 1964; April 7, 1964; April 14, 1964], No. 3447/65. Heading G4H. [Also in Division H4] In an analogue-to-digital converter the input x, Fig. 5, is applied to pairs of diodes d1i, di + 1 biased through resistors ...


5
Improvements in copying telegraphs and television apparatus. Georges Valensi, September 17, 1928: GB297147-A (1 worldwide citation)

297,147. Valensi, G. June 16, 1927. Vacuum tubes. - In a television receiving station a glow tube 21, filled with gas or vapour has an incandescent filament c and a main anode a, the discharge between these electrodes being facilitated by an auxiliary anode c and modulated either by a grid b or by a ...


6
Improvements in or relating to automatic thermomagnetic control. Georges Valensi, November 17, 1948: GB612803-A (1 worldwide citation)

612,803. Magnetic switches. VALENSI, G. May 17, 1947, No. 13308. Convention date, June 20, 1946. Addition to 612,802. [Class 38 (v)] In an arrangement for protecting transmission lines in signalling systems against high currents, the leads 11, 11 are normally connected through two contact arms 4, 41 ...


7
Improvements relating to colour television. Georges Valensi, July 25, 1951: GB655604-A

655,604. Cathode-ray tubes. VALENSI, G. July 15, 1946, Nos. 21083 and 21084. Convention dates, Dec. 13, 1943 and Nov. 18, 1944. Addition to 645,125. [Class 39 (i)] [Also in Group XL (b)] In a colour television system in which a coded signal representative of the colour of an element is generated at ...


8
Improvements in or relating to high speed telegraphic systems. Georges Valensi, December 19, 1949: GB633688-A

633,688. Toothed gearing. VALENSI, G. Sept. 28, 1945, Nos. 25299 and 25300. Convention dates, April 17, 1943 and June 11, 1943. [Class 80 (i)] [Also in Group XL (b)] In a type-printing telegraph system (see Group XLb) a transmitting cam shaft is driven by a onerevolution clutch device. A flexible to ...


9
Improvements relating to the generation of electrical oscillations. Georges Valensi, December 20, 1950: GB647761-A

647,761. Television. VALENSI, G. July 17, 1946, No. 21364. Convention date, Feb. 14, 1945. [Class 40 (iii)] [Also in Groups XL (a) and XL (c)] The saw-tooth voltage for a television system is generated by arranging the beam of a cathode-ray tube to trace a circular or spiral path on the anode, the c ...


10
Improvements relating to colour television. Georges Valensi, October 25, 1950: GB645125-A

645,125. Television. VALENSI, G. July 16, 1946, No. 21082. Convention date, March 6, 1942. [Class 40 (iii)] [Also in Group XL (a)] Colour television transmitting apparatus comprises means for deriving three colour component signals corresponding to the colour of an element of an object which is scan ...