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Technological Extinctions of Industrial Firms: An Inquiry into their ...

Technological Extinctions of Industrial Firms: An Inquiry into their ...

Table 10 Market Shares

Table 10 Market Shares of Leading U.S. Producers of Television Sets, Firm 1948 1958 1968 1978 Zenith 0 13.9 22.0 17.4 RCA 42.6 17.8 17.0 14.0 GE 1.9 13.9 11.0 9.5 Motorola 6.2† 8.4 6.5 5.5 (Quasar) Philco 16.6 9.9 6.0 2.4* Admiral 1.9 11.9 8.0 3.4 Magnavox 2†† 4.0 4.5 1.5 Color Firm 1960 1968 1978 1989 Zenith 20.0 21.2 12.0 RCA 95 30.0 20.0 16.3** GE 5.3 6.5 5.9** Motorola 7.0 5.3**** (Quasar) Philco 4.0 0 0 Admiral 6.5 2.4 0 Magnavox 9.0 7.0*** 6.4*** †Estimate for he years 1950 and earlier combined. ††Estimate for 1950. *As part of Sylvania. **As part of Thomson. ***As part of Philips. ****As part of Matsushita. Source: Levy [1981, pp. 84-88] for most figures, Oxenfeldt [1964, p. 13] for 1948 black and white, Darney [1991, p. 297] for 1989 color, Television Digest with AM- FM Reports 25 Feb. 1950 for the 1948 Magnavox estimate, Look [1959, p. 201] for the 1950 and earlier Motorola estimate

Year Table 11 Major Television Product Innovations Firm(s) Chassis Innovation 1946-49 GE intercarrier sound system 1946-49 — electromagnetic deflection 1950s / 1964 — / Japanese firms portable receivers (b&w/c) early to mid-1960s / early — / Japan. solid state (b&w/c) 70s firms 1967 Motorola modular construction 1970s Zenith surface wave filters Display 1950 RCA shadow mask picture tube 1953 CBS curved shadow mask 1961 / 73-74 Magnavox light sensor for automatic brightness adjustment (b&w/c) 1963 Motorola, National rectangular color picture tube Video 1964 RCA automatic degaussing 1964 Sylvania rare earth phosphors 1965 GE in-line picture tube, small screen 1968 Sony trinitron picture tube 1969 Zenith black surround (black matrix) picture tube 1972-73 RCA &c. in-line picture tube, large screen 1973 Saba (Ger.) picture within a picture 1975 RCA tinted phosphors 1976 Zenith tripotential electron gun pre-1960 /early 70s Advent, GE projection television (b&w/c) mid-1950s /late 60s-early Many firms wide-angle tubes (b&w/c) 70s continuous Many firms very large size tubes early 1960s Glass makers bonded safety glass & barefaced picture tubes (implosion protection)

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