Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For plural electrodes of discharge device
Patent
1977-11-25
1979-10-16
Rolinec, Rudolph V.
Electric lamp and discharge devices
With support and/or spacing structure for electrode and/or...
For plural electrodes of discharge device
313225, 313 47, 313116, 313485, H01S 6118
Patent
active
041714989
ABSTRACT:
A high pressure electric arc tube discharge lamp utilizing low power input. he electrode spacing is less than 20 mm and the arc is electrode-stabilized. The arc tube is of isothermal design. The gas fill of the lamp contains a mixture of metal (i) iodides or (ii) iodides and bromides. The metal halides must include at least the halides of sodium and tin. Mercury is preferred as the buffer gas. When operating, the lamp has a low-color temperature, a luminous efficacy of 80 lms/W and a color-rendering index of about 75. It is suitable for use in interior lighting.
REFERENCES:
patent: 3398312 (1968-08-01), Edris et al.
patent: 3753018 (1973-08-01), Beijer et al.
patent: 3781586 (1973-12-01), Johnson
patent: 3958145 (1976-05-01), Jack et al.
Fromm Dietrich
Seehawer Jurgen
Wagner Wolf-Jurgen
Winzerling Erich
Hostetter Darwin R.
Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
Rolinec Rudolph V.
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