Key |
Yr. |
Name |
Name |
Invention, Discovery, Event |
| Audio | 1888 | Smith | Oberlin | Magnetic sound recording system |
| Audio | 1888 | Berliner | Emile | Fl+F264at disk phto record, chemical and wax groove etch options |
| Audio | 1893 | Poulsen | Valdemar | Magnetic recorder on steel wire wrapped around cylinder |
| Audio | 1894 | Marconi | P-Guiglielmo | First radio qpt, rings bell 30 ft away |
| Audio | 1894 | Radio | F-Sum | Maxwell, Fitzgerald, Hertz, Lodge, Branly, Marconi, Fessenden, Armstrong, de Forest |
| Audio | 1895 | Sabine | Wallce | Acoustic engineering for music halls |
| Audio | 1899 | Marconi | Guliermo | UK France radio link |
| Audio | 1900 | Fessenden | Reginald | Radio frequency alternator for AM signals |
| Audio | 1900 | Tesla | Nicola | Radio wave proposal to detect motion, basis of radar |
| Audio | 1901 | Fessenden | Reginald | Heterodyne of 2 radio signals in receiver giving 3rd equal to freq difference, Armstrong super het |
| Audio | 1905 | Marconi | Guglielmo | Directional radio antenna |
| Audio | 1906 | Fessenden | Reginald | Music transmission radio waves to receivers on ships at sea |
| Audio | 1906 | Dunwoody | Henry | Carborundum, silicon detect faint radio waves, lead to crystal sets |
| Audio | 1907 | DeForest | F-E352Lee | Audion amplified vacuum tube, adds grid to Fleming 2 element tube |
| Audio | 1913 | Meissner | Alexander | Radio transmitted based on vacuum tubes |
| Audio | 1914 | Armstrong | Edwin | Radio receiver circuit regeneration, enhances sensitivity, selectivity, super het in 1918 |
| Audio | 1919 | de Forest | Lee | Sound sychronized with picture record photoelectric cell |
| Audio | 1922 | Carson | John | FM described Pitt, PA |
| Audio | 1924 | Zenith | Portable radio 15 lb, $230 | |
| Audio | 1931 | Rickenbacker | Barth, Beauchamp | Electric guitar microphone to amplifier and loudspeaker |
| Audio | 1931 | Two channel sound | Patent | Stereophonic sound |
| Audio | 1932 | Armstrong | Edwin | FM patent, adopted in 50's, fortune lost fighting patent, wins after death |
| Audio | 1940 | Paul | Les | Log electric guitar solid body minimizes vibration |
| Audio | 1948 | Goldmark | Peter | LP |
| Audio | 1948 | Ampex | Magnetic tape recorder | |
| Audio | 1961 | Radio | Broadcasting | FM Stereo broadcasting |
| Audio | 1963 | Philips | Cassette tapes for recording and playing sound | |
| Audio | 1967 | Dolby | Ray | Eliminates background sound on tapes |
| Audio | 1970 | Reddy | Raj | Hearsay speech recognition software |
| Audio | 1972 | Threshold | Tech | VIP 100 speech recognition system |
| Audio | 1979 | sony | Walkman earphones, portable, tape cassettes, 1st have 2 earphones | |
| Audio | 1981 | Sony Philips | Polygram | CD standard for music, record and tape replacement starts |
| Audio | 1983 | Kurzwell | Music | Portable keyboard music system, 30 instrument sounds |
| Photo | 1822 | Niepce | Joseph & Claude | Silver chloride fixed positive photo image |
| Photo | 1835 | Talbott | William | Invents photography, experimental pictures |
| Photo | 1839 | Talbott | William Fox | Describes photography: negatives, silver iodide light sensitive paper, patent 1841 |
| Photo | 1839 | Daguerre | Louis | Silver image on copper plate photo images |
| Photo | 1847 | Saut-Victor | Abel | Aluminum for glass plate photos used until celluloid |
| Photo | 1861 | Maxwell | James | Color photo with Thomas Sutton from red, green, |
| Photo | 1863 | Caselli | Giovanni | Pantelegraph facsimile on Alexander Bain and Frederick Bakewll ideas, impractical |
| Photo | 1879 | Eastman | George | Photo emulsion coating machine, mass producing photo dry plates |
| Photo | 1881 | Marey | Etienne | Many pictures in short time, motion picture precursor, animal study |
| Photo | 1884 | Eastman | George | Roll film with William Walker |
| Photo | 1884 | Nipkow | Paul | Scanning disk, TV precursor |
| Photo | 1887 | Goodwin | Hannibal | Celluloid photo film |
| Photo | 1888 | Edison | Thomas | Kinetoscope synchronize sound picture from cylinder with photos |
| Photo | 1888 | Eastman | George | Paper roll film box camera |
| Photo | 1892 | Baekeland | Leo | Photo paper sensitive, printing with artificial light Velox |
| Photo | 1896 | Radiation | F-X-Ray | Herschel, Bitter, Maxwell, Crookes, Becquerel, Rutherford, Geiger |
| Photo | 1902 | Korn | Arthur | Telephotography break down, reconstruct image, elec transmission |
| Photo | 1913 | Belin | Edouard | Belinograph portable facsimile machine |
| Photo | 1935 | Kodak | Kodachrome color process | |
| Photo | 1936 | Siegrist | Fisher | Agfa color from color dyes |
| Photo | 1947 | Land | Edwin | Instant photography invented, Polaroid in 1948 |
| Photo | 1973 | Fairchild | Semiconductor | CCD charge coupled device imaging chip 100x100 pixels, future base of digital photos |
| Photo | 1981 | Binnig | Rohrer | IBM STM scanning tunneling microscope, image surfaces clsely |
| 1829 | Burt | William | Unwieldy but workable typewriter | |
| 1833 | Progin | Xavier | Keyboard typewriter drive letters on hammers | |
| 1840 | Young | James | 1st typesetter after Bessemer design | |
| 1844 | Siemans | Werner | Zinc plate copy system, riased in relief | |
| 1847 | Hoe | Richard | Rotary and web pringing presses, 18,000 double side/hr | |
| 1872 | Sholes | Christopher | Querty by Sholes, mfg in 1874 by Remington, Edison patents electric typewriter | |
| 1878 | Ives | Fred | Halftone process for printing photos as college student | |
| 1878 | Sholes | Christopher | Upper case, Twain first user | |
| 1880 | Faulds | Henry | Fingerprinting | |
| 1884 | Waterman | Lewis | Fountain pen | |
| 1884 | Mergenthaler | Ottmar | Linotype | |
| 1894 | Lodge | Oliver | Phtocomposition projection of type on sensitive plate | |
| 1895 | Wagner | Franz | Underwood typewriter, typist sees words, like Oliver 1892 | |
| 1902 | Blickensderfer | George | Electric typewriter | |
| 1904 | Rubel | Ira | Offset rubber pad transmit image from lithographic plate to paper | |
| 1935 | IBM | Electric typewriter | ||
| 1937 | Carlson | Chester | Xerography based on selenium, years of development ahead | |
| 1938 | Biro | Lazlo | Ball point pen patent | |
| 1959 | Xerox | Dry copier introduced | ||
| 1961 | IBM | Selectric | Rotating ball of Selectric typewriter | |
| 1975 | IBM | High speed laser printer 3800 | ||
| Ptint | 1867 | Sholes | Christopher | With Glidden, Soule, 1st viable typewriter as Remington Model I |
| Video | 1891 | Edison | Thomas | Motion pictures on celluloid Eastman film |
| Video | 1895 | Lumiere | Auguste | Cinematagraphe, projection version of Edison kinetescope, 16 frames/sec, 35mm film |
| Video | 1895 | Castler | Herman | Mutoscope rotating cards on wheel coin operated movies |
| Video | 1897 | Braun | Karl | Cathode ray display, vacuum tube electrons aimed for fluorescent image |
| Video | 1906 | Lieben | Glage-Dieckmann | TV via cathode ray tube |
| Video | 1922 | Farnsworth | Philo | Electronic TV system described |
| Video | 1923 | Zworkin | Vladimir | Iconoscope electronic TV camera |
| Video | 1925 | Baird | John | TV picture of human face |
| Video | 1925 | Zworkin | Vladimir | Color TV patent, granted 1928 |
| Video | 1927 | Jolson | Al | Talking Pictures Jazz Singer |
| Video | 1928 | GE | Begins TV broadcasts | |
| Video | 1932 | Sarnoff | David | RCA demo TV receiver with cathode ray tube, broadcasts from Empire State |
| Video | 1940 | Goldmark | Peter | CBS color TV broadcast system |
| Video | 1951 | Waller | Fred | Cinerama three projector curved screen |
| Video | 1951 | Ampex | Demonstrate Armour Research videotape recorder, start research | |
| Video | 1952 | Film | TV band | 3-D with polarizing glasses, Cinemascope compressed on film, decompressed projection, UHF starts |
| Video | 1953 | NBC | CBS | Color TV broadcasting |
| Video | 1962 | Holonyak | Nick | Light emitting diode LED |
| Video | 1970 | Sony | Viceocassette for home TV recording | |
| Video | 1972 | Bushnell | Acorn,Al | Atari introduces Pong, Odyssey of Ralph Baer from Magnavox 1st home video game |
| Video | 1976 | JVC | VHS videotape format, bests Betamax from Sony | |
| Video | 1979 | Philips | Sony | Video disk |