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Stereophonic reproduction maintaining means and methods for operation in horizontal and vertical A/V appliance positions

Pertti Saarinen
- 01 Feb 2001 - 
- Vol. 118, Iss: 4, pp 2104-2104
TLDR
In this article, the orientation sensitive interface is used to switch between the first and second loudspeaker pairs and maintain a substantially stereophonic reproduction for each orientation, by orienting the display apparatus in transverse directions corresponding to the respective speaker pairs.
Abstract: 
Display apparatus including a display and an orientation sensitive interface mechanism is disclosed. In an exemplary embodiment, the orientation sensitive interface includes first and second loudspeaker pairs. The first loudspeaker pair includes first and second loudspeakers and the second loudspeaker pair includes the second and third loudspeaker. The first and second loudspeaker pairs are disposed along transverse directions to each other. The display apparatus comprises a switch which switches between the first loudspeaker pair and the second loudspeaker pair. By providing the respective loudspeaker pairs, and switching between them, it is possible to orient the display apparatus in transverse directions corresponding to respective loudspeaker pairs, yet maintain a substantially stereophonic reproduction for each orientation.

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References
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Patent

Hand held computer with dual display screen orientation capability controlled by toggle switches having first and second non-momentary positions

David S. Register
TL;DR: A handheld computer has a generally rectangular housing on a front side wall of which a display screen is operatively mounted, and a row of toggle switches are also mounted on the front housing side wall, adjacent the display screen, the toggle switches being operatively connected to the computer circuitry within the housing as mentioned in this paper.
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Edward R. Harrison
TL;DR: In this paper, the direction of display is automatically sensed, and the direction can be changed by detecting which of a plurality of sensors is being touched, which can be used to change the orientation of the display.
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