2

Authentication

3

Having particular recording medium

9

For synthetically generating a hologram

10

Using modulated or plural reference beams

12

Copying by holographic means

13

Head up display

15

Using a hologram as an optical element

21

Having defined page composer

22

For producing or reconstructing images from multiple holograms (e.g., color, etc.)

27

Having particular laser source

28

Having multiple object beam or diffuse object illumination

29

Fourier transform holography

30

Having optical element between object and recording medium

32

For reconstructing image

34

With optical waveguide

35

Hardware for producing a hologram

108

Logic gate

197

Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element)

222

By frustrated total internal reflection

223

By moving a reflective element

228

Fluid

229

With glare or flicker elimination

230

Electro-mechanical

232

Slit type

233

With relative motion of two apertured elements

234

With rotating or pivoting element (e.g., scanning discs)

238

Light wave temporal modulation (e.g., frequency, amplitude, etc.)